[A case of rod monochromasia].

A case of rare genetic disease rod monochromasia which is often called total congenital cone dysfunction (syn. congenital cone dystrophy, congenital achromatopsia) is presented. Symptoms and signs of the disease are described in details and methods for improvement of patient's condition are indicated.

[An eight-year experience of cryotherapy of acrive retinal retinopathy in prematures: management of patients and results].

The paper represents an eight-year experience of active retinopathy of prematures (RP) by the method of transscleral cryopexy of the retinal zone in 91 patients (181 eyes) The time period and periodicity of ophthalmologic follow-up of prematures with RP risk are defined; indication and contraindications for cryotherapy are formulated; complications observed at the early postoperative period are pointed out. Cryotherapy was shown to be an effective method of treatment in RP: favorable treatment results were registered in 54.5% of cases.

[Significance of congenital mixed viral infection in the pathogenesis of retinopathy of prematurity].

Forty-three infants aged 1-5 months with somatic and neurological diseases, including congenital, 18 of these with retrolental fibroplasia (RF) and 25 without RF were examined. Control group consisted of 36 age-matched infants. Based on identification of viral antigens in urine precipitate cells, mixed viral infection was diagnosed in 100% patients and 16.

[Typical difficulties of neonatologists and ophthalmologists in the treatment of infants with retinopathy of prematurity].

A perinatally, somatically, and neurologically aggravated child born at 26 weeks weighing 860 g with preterm neuropathy is described. Typical difficulties of neonatologists and pediatric ophthalmologists in the treatment of preterm babies with this grave ocular disease are described: the diagnosis cannot be confirmed by ophthalmoscopy because the optic media are not transparent, cryo- or surgical treatment has to be delayed because of severe somatic and neurological status, and intra- and postoperative complications develop despite thorough preoperative preparation.