What does 20/400 mean?
20/400 is a method of measuring your vision. It allows the doctor to rate your vision as compared to perfect vision. For example, a person with 20/20 vision can be 400 feet from a sign and read it. A person with 20/400 vision will have to move from 400 feet to 20 feet before they are able to read the sign.

Will my eyes ever stablilize?
Typically a person's vision will fluctuate from birth through childhood and up to approximately 25 years of age before they stabilize. At forty years of age, difficulty with near vision will occur and continue to approximately fifty-five years of age.

I am 42 years old. What is happening to my near vision?
Around 40, the crystalline lens in the eye loses elasticity, resulting in the inability to focus up close.

What is the dilation for?
See section "Eye Exams"

Why do I need an eye exam? I see clearly.
Many times a patient believes they see clearly because a prescription can change very gradually. Your doctor also checks the health of the eye. Routine exams are recommended, as your doctor not only determines a prescription, but looks for eye conditions such as diabetes, hypertension, cataracts, retinal detatchments, etc.....See section "Eye Exams"

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