دورية
Phototoxic Retinal Degeneration Caused by Occupational Exposure to an Arc Lamp Movie Projector
| العنوان: | Phototoxic Retinal Degeneration Caused by Occupational Exposure to an Arc Lamp Movie Projector |
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| المؤلفون: | Tsao, Kailenn, Kakarla, V. Chalam, Pakalnis, V. Al, Ramesh, C. Tripathi |
| المصدر: | Cutaneous and Ocular Toxicology (formerly Journal of Toxicology - Cutaneous and Ocular Toxicology); 1999, Vol. 18 Issue: 1 p57-63, 7p |
| مستخلص: | Macular retinopathy caused by photic radiant energy is well documented. This study reports an unusual case in which the image imprint of an arc-illuminating source of a movie projector was induced in the retina. A 66-year-old man presented for routine ophthalmic examination. The patient worked as a movie projectionist for 50 years, and almost daily viewed the circular image of the projector's illuminating arc electrodes in a reflecting bowl with his right eye. Ophthalmic examination revealed 20/20 visual acuity in both eyes. Pupils, tonometry, anterior segment, and optic nerve examination were unremarkable in both eyes. The right macula revealed faint foveal yellow pigmentary change with a surrounding ring of hypopigmentation approximately one disc diameter in size. The left fundus was within normal limits. Fluorescein angiography revealed foveal hypofluorescence with a surrounding window defect, corresponding to the fundus lesion. On Amsler grid testing he had small focal waviness of lines superior to fixation in the right eye. Since the shape of the retinal lesion approximated the ring-shaped image of the arc lamp viewed by the patient over the course of many years, we attributed the ocular findings to exposure received because of his profession. This contrasts with the focal damage caused by sun gazing, or arc welding without proper eye protection, or prolonged exposure to an operating microscope. |
| قاعدة البيانات: | Supplemental Index |
| تدمد: | 15569527 15569535 |
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| DOI: | 10.3109/15569529909049323 |