In 1977-1987 the authors operated, using the cryosurgical method post-traumatic retinal detachment in 69 patients. Retinal detachment developed in 37 patients after simple perforation of the eye by a foreign intraocular body. In all patients the perforation penetrated as far as the vitreous space. In patients with retinal detachment the authors investigated the following: the patient's age, refraction, period of retinal detachment, extent of retinal detachment, the state of the macula, the characteristics of the retinal defect (site, size and number), type of retinal detachment and associated adverse factors. In the characteristics of retinal detachment after perforating eye injuries the first place was held by prognostically adverse vitreous traction in 73.9%.