肾病性胱氨酸病中的光喷嚏反射。
Photic sneeze reflex in nephropathic cystinosis.
作者信息
Katz B, Melles R B, Swenson M R, Schneider J A
机构信息
Pacific Presbyterian Medical Center, San Francisco, CA 94115.
出版信息
Br J Ophthalmol. 1990 Dec;74(12):706-8. doi: 10.1136/bjo.74.12.706.
Photic induced sneeze is a reflex that occurs in certain individuals after exposure to bright light. Cystinosis is an autosomal recessive inborn error of metabolism in which nonprotein cystine accumulates within lysosomes. The pathognomonic ocular manifestation of cystinosis is corneal crystal deposition. We observed photic induced sneezes during ophthalmoscopic examination in five of 19 patients with nephropathic cystinosis (26%). We report on this observation and discuss possible pathophysiological mechanisms for photic induced sneezing in cystinosis.
光诱发性喷嚏是一种在某些个体暴露于强光后出现的反射。胱氨酸病是一种常染色体隐性遗传性先天性代谢紊乱疾病，其中非蛋白胱氨酸在溶酶体内蓄积。胱氨酸病的特征性眼部表现是角膜晶体沉积。我们在19例肾病性胱氨酸病患者中的5例（26%）进行眼底检查时观察到了光诱发性喷嚏。我们报告这一观察结果，并讨论胱氨酸病中光诱发性喷嚏可能的病理生理机制。
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