John R. Karickhoff, MD

Most recent by John R. Karickhoff, MD

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March 20, 2024
4 min read
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Elimination of eye patch using diffusion improves visual field testing

We found that current opaque eye patches can cause 18 problems during visual field testing.

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April 20, 2023
3 min read
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Handheld device reveals macular acuity, predicts postop vision when macula cannot be seen

Ophthalmologists can usually examine the cornea, lens and vitreous with the slit lamp to learn if there is sufficient clarity to allow good vision.

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March 15, 2007
7 min read
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YAG laser offers safe option for floaters

Vitreous opacities are almost universal, and most need no treatment. However, larger floaters, as well as those in the mid- or posterior vitreous, frequently cause difficulty in reading, driving, computer usage and concentration. Because laser treatment of floaters is almost unknown, these floater patients are told to “learn to live with it” and that vitrectomy is the only treatment. But vitrectomy is rarely recommended because of the high risk of cataract formation and a 1% to 3% risk of retinal detachment. The result is that symptomatic floater patients rarely receive treatment.