This is a heterogeneous group of rare diseases. In patients with pure cone dystrophy, only the function of the cone system is affected. In cone-rod dystrophy, the function of the rod system is also affected, but to a lesser extent.
Lobular atrophy of the choroid (gyrate atrophy) is a disease inherited in an autosomal recessive manner, with a characteristic clinical picture of atrophy of the choroid and pigment epithelium.
Stickler syndrome (hereditary arthro-ophthalmopathy) is a disease of collagen connective tissue, manifested by pathology of the vitreous body, myopia, facial anomalies of varying degrees, deafness and arthropathy.
Laser coagulation of the retina is performed on patients who suffer from peripheral and central retinal dystrophies, vascular lesions, and certain types of tumors.
When conditions are favorable for retinal detachment, any break is considered dangerous, but some are particularly dangerous. The main criteria for selecting patients for preventive treatment are: the type of break, other features.
Pars plana vitrectomy is a microsurgical procedure that removes the vitreous to provide better access to the damaged retina. It is most often performed through three separate openings in the pars plana.
Primary breaks are considered the main cause of retinal detachment, although there may be secondary breaks. Identifying primary changes is extremely important. They have the following characteristics.
Symptoms of retinal detachment consist of subjective and objective signs. Patients complain of sudden loss of vision (referred to by the patient as a "curtain" or "veil" before the eyes). The disturbances progressively increase and lead to an even deeper decrease in visual acuity.