[An open and controlled study of effectiveness and tolerance of Livostin eyedrops].

The authors present the result of an open controlled trial of the effectiveness of a new antiallergic ophthalmological preparation, Livostin, for local use, a product of Janssen-CILAG. They evaluate the results obtained in 86 patients with symptoms of allergic conjunctivitis. The preparation was followed up for four weeks, in particular the rate of onset of effect and its duration.

[A case of Creutzfeldt-Jakob syndrome with dominant ocular symptoms].

The authors present a rare case of a 46-year-old man with Creutzfeldt-Jacob's disease, its causal agent being an unconventional virus (prion). Ocular symptoms were the first which made the patient see a doctor. The course of the disease with a fatal outcome caused great diagnostic difficulties among a number of specialists.

[The CO2 laser in ophthalmology. II. Use of the CO2 laser in facial skin disorders].

The authors present an account on results of CO2 laser therapy in facial skin and conjunctival affections during the period between 1990 and 1993. In the evaluated group, comprising 60 patients with an observation period of 18 months, this method was used 82 times, incl. four where it was used repeatedly.

[The CO2 laser in ophthalmology. I. Physical and biological properties and indications for the 20-C CO2 laser made by Pfizer Laser Systems].

The authors describe physical and biological properties of a CO2 laser operating in the infrared area (wave length 10,600 m). The authors discuss the use of this laser in ophthalmology and draw attention to its advantages as well as shortcomings. They describe the apparatus 20-C of Pfizer Laser Systems, incl.

[The individual A constant in the SRK II formula].

The authors investigated the postoperative dioptric deviation from the calculated optic power of emetropic intraocular lenses by means of the formula SRK II without and with use of the individual regression constant A. Within the range of +/- 1.5 D the deviation varied for both methods in 87.