The encircling Silastic 3 mm band without cautery in retinal detachment surgery

Retinal detachment with tears can be cured by scleral buckling by synthetic material pressure retino-choroidopathy without cautery (diathermy, cryo- or photocoagulation) to tear edges on conditions: (1) To use the encircling Silastic 3-mm band (equatorial or oblique according to tear site) giving a permanent buckle. The segmental buckle may recede reopening the tear and its retino-choroidopathy effect may not be sufficient to seal the tear. (2) Not to evacuate the subretinal fluid leaving the ocular tension at end of operation a bit high [about 25 mm Hg in the first operation and 5 mm Hg (Schøtz) in the recent reoperation above the preoperative level]. The synthetic material pressure retino-choroidopathy seals the tear and lowers the ocular tension in subsequent days with beter buckling. (3) As these conditions may not be attained, it is wiser to use minimal diathermy or cryo-therapy to seal the tear.