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Prozac can dilate the pupil of the eye.
The optometrist plans to dilate my pupil to see inside my eye more fully.
The ophthalmologist said she would dilate the pupil before examining the injured eye.
hyoscyamus
Miotic agents cause the pupil of the eye to constrict, or become smaller. Mydriasis is the opposite, making the pupil dilate like when you go to the eye doctor.
When a light is not shined into an eye the pupil contracts gets bigger because the eye needs all the light being presented to it. If the light is not taken away the pupil does not dilate. PS like the eye gets smaller in the light.
Horner's is a malfunctioning of the sympathetic innervation to the pupil. Depending on what drug is used to dilate the pupil, and where the malfunction is, it could do.
The iris controls the amount of light that is entering the pupil. When its dark out, the sphincter muscles on the iris ease to dilate the pupil, but when its light out, the sphincter muscles contract to constrict the opening of the pupil.
The eyes constrict, not dilate, when a light is shone into the eye...this is a multi-arc process going through the parasympathetic nervous system and the EW nucleus.
Yes, you can see your pupil get bigger (dilate) and smaller (contract) in response to changes in lighting conditions. The pupil dilates to allow more light into the eye in dim environments and contracts to restrict the amount of light entering the eye in bright environments.
There are many things that can dilate the pupil of the eye. First of all, light plays a huge factor. Also, if there are unknown, alien substances in your body, such as drugs, that is also a pupil dilator. Also, if you have recently suffered a concussion, your pupils might be dilated for a while. Pupils also dilate when focusing on different planes of vision, as well as different distances.
For the most part, yes. For a patient to know whether of not they have problems with their vision, an Ophthalmologist and/or Optometrist must dilate the eyes for them to get a closer look into the eye(s).