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Red eye reflex

Discussion in 'Optometry' started by Big_Poppa DDS, Jul 16, 2002.

  1. Big_Poppa DDS

    Big_Poppa DDS Senior Member 7+ Year Member

    Sep 29, 2001
    Sault Ste. Marie
    What is the red eye reflex all about? My friends are doing a general practice residency for dentistry and have to learn how to give complete physicals. One of the exams is the red eye reflex, I actually saw it but what does it mean?
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  3. r_salis

    r_salis SDN Supa-Mod Emmetrope Moderator Emeritus 10+ Year Member

    Feb 7, 2002
    In a dark room
    From what I understand, it's a simple procedure done to test for presence of tumors, cataracts and other deformities within the eye. A light shined into a healthy eye should reflect off of the retina in the back of the eye and give off a red reflection (thus the "red" in "red eye reflex"--also the same effect seen in red eye photographs). If there is anything abnormal within the vitreous of the eye, the light will reflect off of that instead, giving off a white reflection.

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