Individuals who have undergone ophthalmic surgical procedures should allow an appropriate period for wound healing before resuming diving. Factors increasing the risk of post-operative complications: Marine organisms may cause infections when they contaminate non-epithelialized wound surfaces of the cornea, sclera, conjunctiva, or lid tissuesThese pathogens may enter the eye through unhealed corneal or scleral wounds...

Researchers in Italy are reporting a breakthrough treatment for retinitis pigmentosa with the use of hyperbaric oxygen therapy. Daily hyperbaric oxygen at 2.2 atmospheres of pressure was employed among 24 RP patients for two years. The electroretinogram readings of RP patients undergoing hyperbaric oxygen treatment improved from 4.86 at the beginning of the study to...

Manifestations of oxygen Toxicity eyelid twitching is the most commonly seen manifestation of O2 toxicity and usually is a warning that a full-blown seizure is imminent. blurred vision visual field constriction visual hallucinations transient one-sided loss of vision reversible after termination of the O2 exposure. Treatment Removal of the O2 source immediately. No residua unless...

Caused by pulmonary barotrauma as the diver ascends, with bubbles getting into the pulmonary venous system and arterial circulation from rupture of alveoli. This can happen in as little as 4 feet of water if the diver holds the breath while ascending with compressed air Ocular symptoms generally come from cerebral defects posterior to the...

Signs and Symptoms Nystagmus (flicking of the eyes) double vision blank areas in the vision loss of half the vision in an eye pain in the eye muscles blindness inability to see close up objects inflammation of the optic nerve blockage of the central retinal artery. Incidence of Ocular DCS In two large series was...