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Dilation Exam - Closed Caption

The colored part of the eye is called the iris. It is composed of two muscles. The constrictor and the dilator. 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 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.

When light enters your eye there is a muscular reflex in your iris to regulate the amount of light that hits the retina. Too much light and constrict muscles tighten to making your pupil smaller to limit the amount of light entering your eye. Not enough light and the dilator muscles contract allowing your pupil to get bigger.

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Optomap Comparison view of retinal exam

Comparison view of optomap retinal exam vs conventional exams

A snapshot view of the retinal images of conventional exams, such as slit lamp with 90 degree diopter, direct ophthalmoscope, indirect ophthalmoscope, and fundus camera compared with the optomap retinal exam image.

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