| 释义 |
photophthalmia Ophthalm.|ˌfəʊtɒfˈθælmɪə|
[f. photo- 1 + ophthalmia.]
Inflammation of the cornea produced by ultraviolet light, causing blindness or defective vision.
1907J. H. Parsons Dis. Eye x. 211 Electric Light Ophthalmia (Photophthalmia).—The ultraviolet rays of the electric light, especially of the arc lamp, may cause extreme burning pain, lacrymation, photophobia, blepharospasm, and swelling of the palpebral conjunctiva and retrotarsal folds, coming on a few hours later. 1916Proc. Amer. Acad. Arts & Sci. LI. 641 An ordinary case of photophthalmia completely disappears in less than a week and repair is going on all through this period. 1947Med. Jrnl. Austral. 26 Apr. 524/2 Solar photophthalmia occurred in summer months among convoy drivers in the Northern Territory. 1969Amer. Jrnl. Optometry XLVI. 569 The radiation below 305 nm required to produce marked photophthalmia was approximately 2 × 106 ergs/cm2.
Hence ˌphotophˈthalmic a., of or pertaining to photophthalmia.
191317th Internat. Congr. Med. IX. i. 204 The flash of a short circuit is extremely rich in ultra-violet rays, and to these are to be attributed the photophthalmic symptoms. 1947Med. Jrnl. Austral. 26 Apr. 524/2 Duke Elder considers the name ‘snow blindness’..as thoroughly unsatisfactory, since the photophthalmic symptoms are not caused by snow, but by solar energy partly reflected by snow. |