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A 47-year-old member asked:

How do eye doctors determine the right prescription for both eyes if they are different?

2 doctor answers2 doctors weighed in
Dr. Alan Jackson
Addiction Medicine 30 years experience
The 1-2 test: This test where the eye doctor asks which is better number 1 or number 2. This is called a manifest refraction , it is very subjective. You tell the doctor which you see clearest, then writes your prescription.
Dr. Tim Conrad
Ophthalmology 34 years experience
By: Measuring each eye individually then with both eyes together.

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A 41-year-old member asked:

How can eye doctors determine the right prescription?

1 doctor answer1 doctor weighed in
Dr. Alan Jackson
Addiction Medicine 30 years experience
Thos is very ....: Subjective, you respond to the doctor when using different lenses San asks which is best or clearest number one or number two.

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Last updated Sep 28, 2016

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