Delyed difuse exudative aseptic choroiditis produced by pressure of encircling silastic band without evacuation of subretinal fluid in retinal detachment surgery

ABSTRACT

1. Although the operation of encircling silastic 3 mm. band without evacuation of subretinal fluid gives a very high percentage of success [more than 90%] in retinal detachment surgery yet after a successful result for 3 to 4 months in 2% of cases an exudative diffuse aseptic choroiditis occurs, giving no perception of light in affected eye inspite of local and general corticosteroids and antibiotics. 2. The complcation has no definite relation to size of retinal tear, type of cautery used [cryo or diathermy], error of refraction or degree of reasonable raised ocular tension got immediately after the operation [about 15 mm. Hg. [Schiotz] above the preoperative level]. 3. As there is no ocular or general cause for such a syndrome it is explained on a vascular basis. Pressure of the ersircling band causes ifijury and dilatation of pressed choroidal