雪盲是雪地作业或行军中发生的一种急性光源性眼病,主要因强烈的阳光通过雪地反射,经过人眼晶体的聚焦到达视网膜黄斑部,造成组织的热灼伤而致视力下降。临床表现为双眼刺痛、灼痛、眼睑痉挛、结膜充血、水肿、畏光、流泪、视物变形等;严重者角膜出现弥漫性上皮脱落,造成暂时性 Snow Blind is an acute light-source eye disease that occurs during snow work or march, mainly due to strong sunlight reflecting through the snow and focusing on the macula of the retina through the lens of the human eye, resulting in a decrease in visual acuity due to thermal burns of the tissue. Clinical manifestations of binocular stinging, burning, blepharospasm, conjunctival hyperemia, edema, photophobia, tearing, visual distortion, etc .; severe corneal diffuse epithelial shedding, resulting in temporary