水肺潜水可以休闲或专业地练习。在这两种模式下，潜水员都可能面临减压综合征等风险，因此，使用高压舱，气瓶的超氧，气压伤,沉浸在闭合电路中。这些情况有一些共同的现象,比如巨大的压力差异，这可能会导致广泛的改变，包括眼科的。指数近视和核性白内障的发展是经常与氧气压力升高相关的眼部发现。在这种情况下，氧化物种和抗氧化剂防御之间建立了不平衡，比如谷胱甘肽，这对保持镜头的透明度起着关键作用。病例为2名年轻的珊瑚渔民患者，他最近发展了与核性白内障相关的进行性近视。
Scuba diving can be practiced recreationally or professionally. In both modalities the diver can be exposed to risks such as decompression syndrome and thus, the use of a hyperbaric chamber, hyper-oxygenation of the gas cylinder, barotrauma, and immersion in closed circuits. These situations have some phenomena in common, such as the great pressure differences, which can cause a wide range of alterations, including ophthalmological ones. The development of index myopia and nuclear cataract are ocular findings frequently associated with increased oxygen pressure. In this context, an imbalance is established between oxidative species and antioxidant defences, such as glutathione, which has a key role in maintaining the transparency of the lens. The cases are presented of 2 young coral fisher patients, who had recently developed a progressive myopisation associated with nuclear cataracts.
