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.
The iris has an opening, called the pupil, through which light enters the eye.
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.
Eye disorders that result in pupils that do not dilate can include Adie's tonic pupil, where one pupil is larger and reacts poorly to light, and Horner's syndrome, characterized by a constricted pupil on the affected side. Other conditions, such as certain types of glaucoma or damage to the optic nerve, can also lead to non-reactive pupils. Anisocoria, or unequal pupil size, may also present with one pupil that does not dilate properly. These conditions can indicate underlying neurological or pathological issues and typically require medical evaluation.
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.
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.
When you cover one eye, the pupil of the uncovered eye will dilate to allow more light in, enhancing visual sensitivity in low-light conditions. Conversely, the covered eye’s pupil may constrict slightly due to the reduced light input. This adjustment helps the uncovered eye compensate for the loss of input from the covered eye, maintaining overall visual acuity.