Does weed make your eyes dilated - Brain injury or disease. A head injury, stroke or brain tumor can affect how your pupils react to light and cause dilated pupils. One or both eyes may be affected. This is why you see physicians checking an athlete's pupils with a penlight following head trauma sustained during sports competitions, or when a patient arrives at a hospital ...

 
Cannabis can cause red eyes because of the effect it has on blood vessels when the body responds to active compounds like THC. When THC enters the body, it interacts with cannabinoid receptors in the endocannabinoid system, leading to various physiological and psychological effects. One of these effects is the dilation of blood …. Auburn arena capacity

Having dilated pupils, or larger-than-normal pupils, can signal a serious head or eye injury. Or it can be a sign of an impending romantic or sexual encounter. The causes of eye dilation also include medicated eye drops from the eye doctor prior to an eye exam, non-eye-related prescription medications and recreational drug use.Red eyes comes from 2 things: Relaxation of the blood vessels in the eyes from lowering blood pressure and irritation of the eyes from smoke. Dilation of eyes has been recorded from cannabis use but it's not the common reaction. No two people are alike with these substances though so learn your own reactions and habits. It just work differently ...Depends on the strain. Some give you a real body high, with less of the psychological side, and your body just feels good a lot. Others give you a really psychological high and it's like tripping up to another level of reality. Also it depends on whether it's smoked or edibles.Essentially, yes. The amount and quality of cannabinoids consumed directly influences how red your eyes become (though genes, allergies, and general sensitivity to marijuana also play a part). More cannabinoids increase the level of blood vessel dilation, thus making your eyes redder. Hitting a bong packed with low-grade cannabis one day may ...Apr 12, 2018 · In most cases, drugs that cause this symptom may include: Amphetamines or methamphetamines. Cocaine or crack. Hallucinogens such as LSD or mushrooms. Opiates (prescription painkillers) Heroin. Marijuana. Speed. Sometimes, these drugs will also cause changes in eye movement. Answers. WI. WildcatVet 3 Oct 2019. Hi, Mandyy! These symptoms are called mydriasis and hyperhidrosis and are side effects when starting Prozac (and many other antidepressants ): "Common (1% to 10%): Sweating/hyperhidrosis". "Uncommon (0.1% to 1%): Dry eyes, mydriasis, photophobia". They generally resolve in just a few days to a week or two so ...How Marijuana Affects the Body. One way marijuana affects the entire body is by temporarily lowering blood pressure. This will cause blood vessels to dilate to increase blood flow to the organ. The way this presents in the eye is with redness. The blood vessels on the white part of the eye, or the sclera, will dilate and cause a pinkish-red hue. The fluctuation in inner eye pressure encourages red eyes, which eases pressure on the retinal nerve. Even eating or vaping other cannabis products makes your eyes red. This is because regardless of the consumption method, cannabis makes the ocular capillaries dilate. Thus, red eyes result, and while cannabis can make your eyes red, you might ... After taking cocaine, marijuana, or amphetamines, for example, your pupils get noticeably larger ( Mydriasis ), while opiates such as heroin constrict the pupils ( Miosis ). Fun fact: Movie-goers ...Dilated blood vessels increase blood flow throughout the body. This causes the blood vessels in the eye to enlarge, leading to redness or bloodshot eyes and is associated with marijuana use. The most effective remedy for the redness is Lumify, an eye drop that constricts the veins rather than the arteries-constricting Visine. Please read on.Does weed make your eyes dialated This topic is answered by a medical expert.Since dopamine is responsible for many bodily functions, pupils can also be affected. Mydriatics. Mydriatics are also known as the eye drops that dilate your eyes. When you go to the eye doctor or need to undergo a particular eye surgery, these eye drops are used to take a better look in your eyes. Stimulants.Cocaine causes dilation of the pupils, as well as other effects such as increased heart rate, sweating, nausea, vomiting, and hallucinations. Methamphetamine causes dilation of the pupils, along with other effects such as increased blood pressure, anxiety, hyperactivity, muscle twitching, and dry mouth. LSD causes dilation of the iris, and may ...As such, this drug can cause rapid eye movement. Narcotics: Abusing narcotics like heroin, morphine, and fentanyl can constrict your pupils. An overdose of the same can also lead to pinpoint pupils. PCP (phencyclidine): A person high on PCP often exhibits rapid eye movements, blank stares, and confusion.RELATED: MEDICAL MARIJUANA PRESERVES VISION AND REDUCES GLAUCOMA PAIN. This is because cannabis, particularly THC, lowers blood pressure—the same effect that's responsible for the famous red eyes that accompany cannabis use. Cannabis relaxes and dilates blood vessels, allowing more blood to flow. And in the eye, it appears to have the same ...Endophthalmitis is an eye infection resulting from bacteria or fungus. It sometimes happens in cocaine users who inject cocaine with needles. This condition causes intense pain, red eyes, sensitivity to light, discharge from the eyes, and impaired vision. These symptoms will worsen until a person receives treatment.Xanax, a benzodiazepine drug, can also make pupils dilate since it affects the activity of neurotransmitter GABA that relaxes the muscles. Additionally, the stimulant medication used in ADHD treatment, i.e., Adderall and Ritalin, can also cause pupil dilation. Other drugs, specifically opioids, can cause pinpoint pupils.How does marijuana make your eyes look? It makes your eyes look very red and tired.Also,bloodshot. What could someone be doing if you see their eyes are dilated and their eyes are red?Since one of the main effects of vasodilation is decreasing blood pressure, cannabis could be promising for treating cardiovascular disorders, such as stroke, atherosclerosis, restenosis, MI, and heart failure. However, more research yet needs to be done on this aspect. 3. 6. The Endocannabinoid System (ECS) Explained.Yes, pupil dilation is a common side effect of Adderall, although it is usually only temporary. If your pupils are extremely dilated all the time, you may be taking too much Adderall, and you should talk to your doctor about this. Our pupils are the black centers of our eyes and they typically constrict (get smaller) in response to bright light ...The familiar red and glassy-eyed stare of someone who's high was previously thought to be due to the irritation of eyes by pot smoke. But, now we know that weed makes your eyes red for the same reason it makes you dizzy- vasodilation. Marijuana has a lot of active ingredients. Tetrahydrocannabinol (THC) is only one of the many (>113) cannabinoids present in cannabis. These compounds interact ...2. Drink More Water: Drinking water isn't going to 100% clear up bloodshot eyes. But dehydration can make your eyes redder. 3. Consume Less THC: The more THC you consume, the redder your eyes will be. You can opt for a product that is lower in THC, or take a smaller dose.Cannabinoids bind to cannabinoid receptors, which causes the blood vessels to dilate or expand as a result of the interaction.Because of this, there is a drop in blood pressure throughout the body as well as an increase in the blood flow to certain locations.The appearance of a red eye is brought on by an increase in blood flow to the eyeball ...In practical terms, that means that the more THC you consume, the redder your eyes will become. As users build a tolerance to THC, however, they may notice a ...Drugsdata.org along with other researchers have discovered synthetic cannabinoids (like k2) in products (oils, flower, vapes, edibles) being sold as "weed" or "cannabis". There's also a huge hemp cannabinoid market in the US so it could be thco/d10/hhx/thcp or maybe some weird blend. r/cleancarts might help. 1.For most people, the effects of the dilating eye drops will wear completely off in 4 to 6 hours, although some people, such as children or people with light colored eyes, may feel the effects for longer periods of time. Everyone’s eyes react differently to dilation, but it’s important to use caution while your sight remains blurry or ...Cocaine is a highly addictive illicit drug that stimulates the central nervous system. The central nervous system, which affects the visual system, is composed of the brain and spinal cord. Cocaine use can lead to effects on the eyes and vision as a result of how it interacts with certain regions of the brain. Cocaine can be used by: snorting ...Adams et al. 42 found that cannabis use had no effect on static visual acuity for two different levels of contrast (12 and 49%). However, marijuana use produced significant dose-related reductions ...11/27/2012. Well, yes, smoking can lead to dilated pupils. And there are many people who suffer from the symptom because of smoking. First, you should know that dilate pupils are often caused by high blood pressure. So if you keep smoking, your blood pressure can be very high, it can affect your eyes, and then lead to dilate pupils.THC, the active ingredient in marijuana, causes blood vessels to dilate and increases blood flow to the eyes, resulting in red eyes after smoking. It typically lasts 1 …One of the most apparent side effects many consumers experience is "weed eyes,"a.k.a., that red, bloodshot ocular tint that may occur after consuming cannabis. This can be distressing - especially for newer consumers, who may find themselves in a cannabis-infused panic googling "why does weed make your eyes red?".In the eyes it makes the blood vessels on the surface dilate and look redder. Selecting a strain with more CBD and less THC will lessen the redness, but also ...Why do your eyes get red when you smoke weed? The cause for reddening of the eyes after smoking cannabis is related to the reason why the plant is famous as a treatment for glaucoma. In short, THC lowers blood pressure, which in turn causes blood vessels and capillaries to dilate. Ocular capillaries dilate, increasing blood flow to the eyes and ...Dilated pupils ( mydriasis ) can happen for many reasons, such as a normal response to light, medication or drug use, eye exams, and medical conditions. Dilated pupils are when the dark center of your eye is widened. This happens naturally in dim setttings. It can also happen after taking certain medications or drugs.After taking cocaine, marijuana, or amphetamines, for example, your pupils get noticeably larger ( Mydriasis ), while opiates such as heroin constrict the pupils ( Miosis ). Fun fact: Movie-goers ...On average, it takes four to six hours for eye dilation to wear off. Alternatively, it only takes about 30 minutes for your eyes to dilate fully. But, everyone's eyes are different. So, the exact time it takes for your dilation to wear off can be lesser or greater. The type of eye drops used will also impact how long your dilation lasts.How does it work, anyway? The drops we use to dilate your eyes are actually a combination of two drops: one paralyzes the muscle that contracts to make the pupil smaller (much less scary than it sounds), and the other stimulates the muscle that has the opposite effect on the iris, widening the pupil. (Remember, your iris is actually a very ...Weed eyes are caused by weed lowering your blood pressure and dilating your blood vessels and capillaries. The combination of lower blood pressure and dilation increases blood flow to your eyes and makes the whites appear red. Marijuana eyes are more prevalent when you consume high-THC strains.The pupils in your eyes look dilated and unusually big. For some people, the dilation can be substantial, and to the point of where it looks like it takes up the entire iris. The pupils in your eyes look contracted and unusually small. For some people, the constriction can be so significant that the pupil is barely noticeable.Apr 20, 2022 ... Tetrahydrocannabinol or the THC in marijuana lowers blood pressure which dilates the blood vessels. A dilated blood vessel will increases blood ...It is a legal, non-intoxicating ingredient found in cannabis. The drug’s popularity keeps growing more and more in the U.S. Proponents of CBD tout a wide array of health benefits, including treating anxiety and reducing the frequency of convulsive seizures in people with epilepsy. CBD is also commonly linked to eye health and treating glaucoma.I didnt feel too high at first and just chilled but about 20 mins later, when i was watching tv i had a nap and had really strange closed eye visuals, but i thought nothing of it. I later went to the bathroom and looked in the mirror and saw my pupils were very dilated (not quite MDMA size though). I've smoked weed for a few years and never had ...This causes the eye blood vessels to dilate, resulting in bloodshot eyes. 2021 research concludes that cannabis has significant adverse effects on certain visual functions, including: visual...While rare, it is possible for the eye drops to cause an allergic reaction, such as red eyes and swelling of the eyelids. If atropine is used, the following side effects are possible: Dry mouth. Rapid pulse. Fever. Facial flushing. Compared to other eye dilation eye drops, atropine tends to be longer acting.Sort by: Ouija_board. •. Dilated eyes absorb more light. More light = more color interpretation and the ability to see further, easier with less eye strain. Not to mention frequent use is known to help Glaucoma once in the system consistently by reducing pressures on the optic nerve. The feeling things are slower on some strains also gives us ...Cannabis lowers blood pressure. This causes capillaries and blood vessels to dilate, leading to what is commonly referred to as red eye. Wider capillaries mean blood flows into the eyes, reducing intraocular pressure. In a …Los Angeles DUI Attorneys say, “No, smoking marijuana will not dilate the pupils of your eyes. This is one key difference between drivers who are drunk and who are high from cannabis.”. Some stoners may find that their pupils constrict on weed! As a matter of fact, a 1977 study found that weed did the opposite of pupil dilation.Apart from prescription medications, commonly misused drugs also affect pupil size. This is because they affect the normal bodily functions of the iris. Enlarged pupils can indicate intoxication, drug use, and drug addiction. 2 Drugs that can cause pupil dilation include: Cocaine. Alcohol.As such, this drug can cause rapid eye movement. Narcotics: Abusing narcotics like heroin, morphine, and fentanyl can constrict your pupils. An overdose of the same can also lead to pinpoint pupils. PCP (phencyclidine): A person high on PCP often exhibits rapid eye movements, blank stares, and confusion.Dilated pupils may indicate attraction. The pupils are small circular openings that control how much light enters the eyes. The colored ring around the pupil is the iris. This contains muscle ...Are marijuana’s effects on vision good or bad? Two new studies suggest there isn’t one easy answer, and neither one considers long-term impacts. One study of …Dilated pupils can occur with any type of anxiety, but are most common during periods of intense anxiety that occur in the following conditions: Panic Disorder/Panic Attacks. PTSD. Phobias. However, this symptom is not always linked to these disorders - it may simply occur during any period of severe anxiety. Normally, when the fight or flight ...When your pupils are dilated, they will expand and take in more light. This is what causes many on a cocaine high to be sensitive to light. Think of when you ...Getting your eyes dilated is an important part of any complete eye exam. Once your doctor puts in the dilating drops, it takes about 20-30 minutes for your pupils to fully open, or dilate. After ...The answer lies in the way cannabis affects the body, particularly the eyes. One of the main reasons behind red eyes when using marijuana is the way it affects blood vessels in the eye. Marijuana contains compounds that can lower blood pressure and dilate blood vessels, including those in the eyes. This dilation leads to increased blood flow ...Prevent Red Eyes with Low-THC Strains. If “weed eyes” are a regular issue, then you might prevent them by decreasing the amount of THC that you are consuming when you smoke up. Since THC is the main culprit, avoiding it should prevent redness in the future. Try searching for strains with a lower THC percentage!This can be easily observed by the naked eye, as the cat's eyes will appear bigger and darker. Dilated pupils are commonly associated with heightened emotions, such as excitement or fear. For example, when a cat is excited to see its owner after a long day, its eyes may dilate as a sign of joy and anticipation.Normal Causes of Dilated Pupils. Pupils dilate for many reasons, including: To see better in low light. When the eye focuses on a distant object. Dilating eye drops used in eye health exams. Sexual attraction (due to an increase in the hormone oxytocin) Reactions to certain medications.The main reason why weed makes your eyes red is that it lowers blood pressure and dilates blood vessels and capillaries - some of which are in your eyes (ocular capillaries) - increasing blood flow and making the whites of the eyes red. This is also the primary reason why marijuana is sometimes prescribed to people with glaucoma, which is a ...These drugs can have eye-related side effects such as dry eye, dilated pupils, blur, eye twitching, and, rarely, acute angle-closure glaucoma. Approximately 13% of Americans aged 18 and over take antidepressant medication. These medications can have side effects that impact the eyes and the entire body. This article focuses on eye-related side ...New Member. first, if you have been smoking for a long time your eyes probably dont get red but if you dont get high that ofter you might experience red eyes i guess it depends on how much dank you put in what you eat. smoke HASH and than i THRASH! Confucious say 'man who stand on toilet is high on pot'. Mar 14, 2006.Due to federal and state laws, it’s difficult for researchers to provide a specific answer as to why medical cannabis acts as a vasodilator. Like many of its effects, however, scientists believe it’s tied to the endocannabinoid system (ECS), which features cell receptors that bind with cannabinoids, like THC, to create a reaction.The pupils get smaller and do not respond to light. If your friend or family member displays this symptom, call 911 as it could indicate an overdose. Alcohol, cocaine, and marijuana may cause bloodshot eyes since these substances cause the blood vessels around the pupils to expand. Determining DilationJan 1, 2024 · Marijuana can cause redness, pupil dilation, and a slowed ability to focus during intoxication. Uncontrolled, repetitive eye movements is also common with marijuana misuse. With chronic use, an individual may experience ongoing decreased eye muscle function. Methamphetamine and other stimulants cause dilated pupils. These cells convert light into electrical signals, which the brain processes as visual images. Eye dilation also gives the eye doctor a better look at the optic nerve, which is connected to the retina and transmits impulses to the brain to be interpreted as visual images. During a dilated eye exam, your eye doctor can detect: Macular degeneration.So if you were to smoke a lot of weed, your pupils might dilate. You may have to do perform a science experiment to reach conclusive evidence. It always happens to me for some reason, when i first started smoking my eyes never became so bloodshot or dilated as they become now.Summary. Smaller, constricted pupils can indicate opioid use. When a person uses opioids, the parasympathetic nervous system causes the iris to contract, making the pupils small. As a result, the ...THC, the active ingredient in marijuana, causes blood vessels to dilate and increases blood flow to the eyes, resulting in red eyes after smoking. It typically lasts 1 …However, you may wonder, 'Why does weed make your eyes red?'. Tetrahydrocannabinol (THC), the active ingredient in weed or marijuana, can dilate and relax the blood vessels in the body, including the eyes. This can increase blood flow to the blood vessels in the white area of the eye, causing them to appear red.We would like to show you a description here but the site won't allow us.Studies find marijuana compounds cannabidiol (CBD) and tetrahydrocannabinol (THC) may actually be able to support eye vision. Read More. Home » How Does Cannabis Affect Your Eyes? Published April 10, 2018. written by jeanmckinney.Tetryzoline is an alpha agonist that induces blood vessels that have been dilated to become more constricted. How do you get rid of high red eyes? How to Remove the Dark Circles Under Your Eyes. Make use of the fake tears that are available over-the-counter. Use over-the-counter antihistamine eye drops, especially if you are prone to seasonal ...Still, that doesn't answer the mysterious question of generations of stoners: why does weed make your eyes red? In short words, glaucoma has to do with this effect. THC lowers our blood pressure, which causes the blood vessels and capillaries to dilate, increasing blood flow to the eyes and reducing pressure in the eye, called intraocular ...During the dilated eye exam, they make sure that everything is okay, especially the optic nerve and retina. Many causes of poor vision can be explained with the diseases and conditions of retina and optic nerve. Therefore, regular eye exam with dilation of the eyes is important. Your poor visual acuity is a good guide as to how frequently your ...The dangerous short-term side effects of methamphetamine can include effects on your eyes and vision. Crashing - When someone's high on meth, their brain is flooded with dopamine. Once the high fades, their body must adjust to the lack of dopamine. Many people call this adjustment period "crashing.".Smoking weed increases blood flow to the eye, which causes red eyes. Dilation of the pupils occurs for the same reason. The way marijuana affects neurotransmitters can lead to a range of changes in the retina and ocular tissues. For most people, this appears as red eyes and dilation of the pupils.When THC enters our system, the ocular capillaries start to dilate, which allows the increase in blood flow. This causes the eyes to have a reddish color. ... Why Does Weed Make Your Eyes Red? by Laura on July 15, 2020 in Cannabis. Nobody wants to get caught with the dreaded red-eyes that are indicative of a weed high.The first study explains a cellular mechanism by which marijuana may improve night vision. The research is based on an observation that Jamaican fisherman who smoked or consumed marijuana had excellent night vision. In the new study, researchers at McGill University in Montreal applied a synthetic cannabinoid to the eye …Scientists believe that using weed may cause eye twitching due to the activation of the TRPA1 receptor. The TRPA1 receptor may be triggering dry eye symptoms, which causes eye tremors. The study says, “TRPA1 is actively involved in the peripheral cannabinoid pathway in sensory neurons.”. In other words, the cannabinoids and other …Why Does Weed Give You Stoned Eyes? Stoned eyes are primarily due to how tetrahydrocannabinol (THC) affects blood pressure. THC reduces blood pressure, causing tiny blood vessels called capillaries to dilate. As these blood vessels dilate, it boosts blood flow into the eyes while reducing intraocular pressure.Therefore, dilated pupils should not serve as a common sign of marijuana usage. Sometimes, police officers try to use pupil dilation as a reason to make an arrest for driving under the influence of drugs (DUID). You can address these charges head-on with a DUI lawyer in Los Angeles. You can also call us or complete our online contact form to ...Although marijuana can lower eye pressure, recommending it does not make sense given its side effects, short duration of action, and lack of evidence that ...Apart from prescription medications, commonly misused drugs also affect pupil size. This is because they affect the normal bodily functions of the iris. Enlarged pupils can indicate intoxication, drug use, and drug addiction. 2 Drugs that can cause pupil dilation include: Cocaine. Alcohol.Reply. brahmza • 9 yr. ago. "It's conjuncitvitis. Caused because the chemicals in marijuana make the capillaries in your eyes, as well as the small ones in other parts of your body, expand. Your eyes turn red and get glossy because of the literal chemical reaction in your body. Taken from yahoo answers.The answer to that question delves deep into marijuana's medicinal properties, the varying effects of different cannabinoids, and exactly what happens when weed enters our bodily system. And because so-called stoned eyes are a natural occurrence for both novice and experienced potheads, we'll cover edibles, vapes, and the best options for ...How Your Pupils are Dilated. A dilated eye exam allows your doctor to better see the inside of your eye through the pupil, which is the black circle in the center of your eye. By dilating or widening the pupil, eye doctors can easily view the complete anatomy of the eye. Your pupils are dilated with the help of dilating eye drops.

When your pupils are dilated, they will expand and take in more light. This is what causes many on a cocaine high to be sensitive to light. Think of when you .... Nr2003 logos

does weed make your eyes dilated

2. Drink More Water: Drinking water isn’t going to 100% clear up bloodshot eyes. But dehydration can make your eyes redder. 3. Consume Less THC: The more THC you consume, the redder your eyes will be. You can opt for a product that is lower in THC, or take a smaller dose.There are two primary reasons behind it! 1. THC lowers the blood pressure. The primary constituent, "THC," present in marijuana, lowers the blood pressure and leads to causing the capillaries and blood vessels to dilate. Some of these dilate occur in the eyes that are commonly known as ocular capillaries, and as the THC enters the body ...In this article, we will outline what substances cause specific effects on the eyes to help you find the answers and move towards finding help. Which Prescription Drugs Dilate Pupils. Some substances can make the pupil dilate, growing larger or wider. In some cases, the iris may be barely visible.Turns out the juice of the nightshade plant has pupil dilating properties and was once used by women in the Victorian era to dilate their eyes for what was considered, at the time, an attractive appearance. While I was weed-whacking, some of the plant matter kicked up and landed in my eye, taking it back to the Victorian era.Signs Someone Is High. Physical signs of marijuana use include red eyes, poor muscle coordination, delayed reaction times, and increased appetite. A sudden shift in mood from tense to relaxed could indicate marijuana use, as could abrupt symptoms of anxiety, panic, and/or hallucinations. Marijuana also has a distinctive smell, sometimes ...Rapid Eye Movement - Another sign of meth abuse is rapid eye movement. In addition to the general agitation that the drug causes, meth can cause eyes to move quickly back and forth, which means the person using meth will not be able to focus well. Vision Impairment - Eyes on meth can include impairment to your vision.Prevent Red Eyes with Low-THC Strains. If “weed eyes” are a regular issue, then you might prevent them by decreasing the amount of THC that you are consuming when you smoke up. Since THC is the main culprit, avoiding it should prevent redness in the future. Try searching for strains with a lower THC percentage!Keep in mind that some CBD products might have trace amounts of THC, so make sure you know what you're ingesting if you want to keep your eyes clear. THC. THC is the cannabinoid responsible for the change in mental state associated with marijuana use. It can also lower your blood pressure and dilate the tiny blood vessels in your eyes ...LSD and Mushrooms. When under the influence of hallucinogenic drugs such as LSD, mescaline, or psilocybin (mushrooms), the range of symptoms can include increased restlessness, sleep deprivation, and dilated pupils. More so than alcohol, pupil dilation has become one of the most associated physical reactions to taking “magic mushrooms.”.As you smoke weed, the THC enters your bloodstream, lowering your blood pressure. This also causes your blood vessels and capillaries to dilate. The capillaries in your eyes dilate as well, which results in increased blood flow to the eyes. Boom, there you go, say hello to red eyes!Drugsdata.org along with other researchers have discovered synthetic cannabinoids (like k2) in products (oils, flower, vapes, edibles) being sold as "weed" or "cannabis". There's also a huge hemp cannabinoid market in the US so it could be thco/d10/hhx/thcp or maybe some weird blend. r/cleancarts might help. 1.Cannabis 101. Why do smoking cannabis and eating edibles cause red, bloodshot eyes? Rae Lland Published on February 8, 2022. (vchalup/AdobeStock) Red …The small dark specks that congregate in the middle of the whites of your eyes are called pupils. It is possible for different types of drugs to have varying effects on the size of a person's pupils. Some can also impair eye motility, create watery eyes, and produce redness of the eyes, which is a well-known symptom of marijuana usage..

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