Examlex
Perform the indicated operations with expressions involving fractional exponents and then simplify.
Snellen Letter Chart
A chart commonly used by eye care professionals to measure visual acuity, featuring rows of letters that decrease in size.
Funduscopic Examination
A medical procedure that involves looking at the interior surface of the eye, including the retina and optic nerve, using an instrument called an ophthalmoscope.
Red Reflex
A reddish reflection of light from the eye's retina observed during an ophthalmologic examination.
Visual Defect
An impairment in the ability to see normally, which can range from mild to severe visual limitations.
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