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Cataract - How do my eyes see?

The design of the human eye is much like that of a camera. Light rays are focused through the lens onto the retina, a layer of light-sensitive tissue at the back of the eye that is similar to photographic film. In a normal eye, light rays pass through a clear lens and are focused onto the retina. This produces a bright, clear image.


Alma Murphy MD PC
Eye Physician & Surgeon
490 N Alvernon Way
Tucson, AZ 85711

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8:30 am – 1:30 pm (Friday)


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