Q: My daughter loves to read by a dim light at night. Isn’t it true
that this could damage her eyes?
A: Conventional wisdom claims that reading in the dark wrecks the
eyes. But children everywhere who love to read at night under the covers can
rejoice, because this myth is FALSE.
Dim light might make it difficult for the eyes to focus, which can cause
short-term eye fatigue, says Richard Gans, MD, FACS, an ophthalmologist with
the Cleveland Clinic Cole Eye Institute. "But there is...
Many people who have intraocular pressures consistently
above 27 mm Hg develop optic nerve damage unless the pressure is lowered by
Some people have intraocular pressures consistently
higher than 21 mm Hg but do not develop optic nerve damage. This condition is
called ocular hypertension.
Some people who have optic nerve damage from glaucoma have
normal intraocular pressures. This condition is called normal or low-tension
glaucoma. But what is normal for one person may not be normal for another
Doctors also measure the thickness of the
clear front surface of the eye (cornea). Cornea
thickness, along with pressure inside the eye, helps determine your risk for glaucoma.
Primary Medical Reviewer
Kathleen Romito, MD - Family Medicine
Specialist Medical Reviewer
Christopher J. Rudnisky - Ophthalmology
May 5, 2010
WebMD Medical Reference from Healthwise
May 05, 2010
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