Solar Retinitis |
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Authors: | S. Y. Shirley |
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Abstract: | Retinal burns can be produced by direct gazing at the sun. This lesion is caused by the thermal effects of the visible and near infrared rays focused on the pigment structure behind the retina. It is rarely seen, as the normal eye will tolerate only fleeting glances at the sun, but is fairly common during a solar eclipse. A case of solar retinitis is presented in which treatment with corticosteroids lessened the retinal edema but the patient suffered a bilateral central scotoma and vision reduced to the 20/40 level. In viewing a solar eclipse a No. 4 density filter is recommended; as a rough test this filter will abolish the readability of print on a 60-watt incandescent frosted electric light bulb. |
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