Ophthalmologists Discuss Methods to Help Physicians See What Patients Can’t See (part 9)

Glaucoma Detection
When the answers to those questions are ironed out, Day says she is hopeful that the procedure is simple enough, and that the equipment is common and inexpensive enough, that it could be used as a screening device in the pediatrician’s or other primary-care physician’s office. A screening device like this would be a great improvement over the traditional devices like the Snellen chart, she says.Glaucoma patients may have lost up to 50% of the nerve fibers in the optic nerve before the damage is noticed with a visual field test, says Harry A. Quigley, MD. That means, he says, that if the damage could be picked up early, and therapy instituted, then more vision could be saved. When the answers to those questions are ironed out, Day says she is hopeful that the procedure is simple enough, and that the equipment is common and inexpensive enough, that it could be used as a screening device in the pediatrician’s or other primary-care physician’s office. A screening device like this would be a great improvement over the traditional devices like the Snellen chart, she says.

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Figure 2 Day’s photorefraction method reveals the different refractive error in each of this child’s eyes

 

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