U.S. doctors online nowAsk doctors free
A 46-year-old member asked:

In what way can eye doctors tell what your prescription is when they look in your dilated eyes?

1 doctor answer1 doctor weighed in
Dr. Alan Jackson
Addiction Medicine 30 years experience
Retinocsopy, : First of all the prescription of your eyes is determined before dilation by doing a refraction. The test where you tell the doctor which lens is best one or two. There is a way to tell what your prescription is with your eyes dilated, called retinas opt. This is how glasses can be prescribed to pre verbal children.

90,000 U.S. doctors in 147 specialties are here to answer your questions or offer you advice, prescriptions, and more. Get help now:

Ask doctors free
Educational text
Free
Talk to a doctor
24/7 visits - just $39!
50% off with $15/month membership

90,000 U.S. doctors in 147 specialties are here to answer your questions or offer you advice, prescriptions, and more. Get help now:

Ask doctors free
Educational text
Free
Talk to a doctor
24/7 visits - just $39!
50% off with $15/month membership
Last updated Feb 2, 2014

Disclaimer:

Content on HealthTap (including answers) should not be used for medical advice, diagnosis, or treatment, and interactions on HealthTap do not create a doctor-patient relationship. Never disregard or delay professional medical advice in person because of anything on HealthTap. Call your doctor or 911 if you think you may have a medical emergency.