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The red reflex (also called the fundal reflex) refers to the reddish-orange reflection of light from the back of the eye, or fundus, observed when using an ophthalmoscope or retinoscope. The red reflex may be absent or poorly visible in people with dark eyes, and may even appear yellow in Asians or green/blue in Africans.
While moving the streak or spot of light through the pupil across the retina, the examiner observes the relative movement of the reflex or manually places lenses over the eye (using a phoropter or trial frame and trial lenses) to "neutralize" the reflex. [2] Static retinoscopy is a type of retinoscopy used in determining a patient's refractive ...
Red reflex examination, also called Bruckner Test, is a useful test in children to look for misalignment of the eyes and significant refractive errors. A red reflex can be seen when looking at a patient's pupil through a direct ophthalmoscope. [13]
The American Academy of Ophthalmology recommends comprehensive eye examinations, including dilated fundus examination, for asymptomatic patients without risk factors for eye disease at varying frequencies based on age: every 5–10 years in adults under 40 years, every 2–4 years in adults aged 40 to 54 years, every 1–3 years in adults aged ...
On photographs taken using a flash, instead of the familiar red-eye effect, leukocoria can cause a bright white reflection in an affected eye. Leukocoria may appear also in low indirect light, similar to eyeshine. Leukocoria can be detected by a routine eye exam (see Ophthalmoscopy). For screening purposes, the red reflex test is used.
If your whole eye has gone red, learn about the causes of bloodshot eyes and how to fix them. Weirdly enough, a red spot on eye might have a cause totally unrelated to your eyes: sneezing or coughing.