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Eye pupil dialation
Eye pupil dialation










Sunglasses are usually worn afterward to relieve glare discomfort, but you should be safe to drive with caution.

eye pupil dialation

Without dilation, the bright exam light automatically causes your pupils to constrict, making a much smaller opening to look through.ĭilating drops cause your pupils to enlarge by inhibiting the constrictor muscles from reacting to light., then the doctor can use a bright exam light combine with a magnification lens for an unobstructed view of the internal structure of each eye, including the retina, macula and optic discs.ĭilation drops typically cause blurred near-vision and light sensitivity lasting about 4 to 6 hours. You might have symptoms outside your eyes too, including: Fever. So if you find your pupils are still dilated the day after your eye exam, dont panic Can I drive after dilation In general, you can. Go to the emergency room if one pupil is bigger than the other and you experience any of the following: Eye pain. Not enough light and the dilator muscles contract allowing your pupil to get bigger.ĭuring a comprehension eye exam, your eye doctor might want to dilate your pupils to evaluate the back of each eye under high magnification. How Eye Pupils Work The pupil is kind of like a camera apertureit gets bigger or smaller depending on how much light is needed. Anisocoria can be accompanied by serious symptoms. Too much light and constrict muscles tighten to making your pupil smaller to limit the amount of light entering your eye. When light enters your eye there is a muscular reflex in your iris to regulate the amount of light that hits the retina. Sometimes, these symptoms are obvious, but not always. The pupil appears black because the inside of the eye contains pigment to absorb all of the light that enters it, not allowing any of it to reflect back out. A person with a concussion may have dilated pupils, droopy eyelids, or difficulty tracking objects. The National Eye Institute recommends a dilated eye exam once every one to two years if youre 60 or older.

eye pupil dialation

The black circle at the center of the iris is called the pupil and is actually just an opening to allow light into the eye. The colored part of the eye is called the iris.












Eye pupil dialation