Weak laser radiation mechanism for ciliochoroidal detachment

Tatjana N. Semyonova; Irina S. Maximova; Sergey N. Tatarintsev

doi:10.1117/12.309441

1 June 1998 Weak laser radiation mechanism for ciliochoroidal detachment

Tatjana N. Semyonova, Irina S. Maximova, Sergey N. Tatarintsev

Proceedings Volume 3246, Ophthalmic Technologies VIII; (1998) https://doi.org/10.1117/12.309441
Event: BiOS '98 International Biomedical Optics Symposium, 1998, San Jose, CA, United States

Abstract

The efficiency of weak laser radiation was studied for patients having a ciliochoroidal detachment (CD). A He-Ne and diode lasers were used whose wavelength, radiating power at the lightguide face output, spot diameter, and exposition time were 0.63 micrometer, 0.05 - 01 mW, 200 micrometer, and 3 min., respectively. To study the mechanism of weak laser radiation effect with the CD, clinical and biochemical investigation techniques were exploited for seven patients before and after they had been irradiated. Hydro- and hemodynamical indices were normalized with a parallel decrease of malondialdehyde (MDA) concentration and a higher superoxide dismutase (SOD) activity in the tear fluid of the patients when the CD disappeared as a result of complex treatment employing the weak laser radiation. This proves the process of lipid peroxidation (LP) to be suppressed and the antioxidation system (AS) to become more active under the action of the weak laser radiation.

Citation Download Citation

Tatjana N. Semyonova, Irina S. Maximova, and Sergey N. Tatarintsev "Weak laser radiation mechanism for ciliochoroidal detachment", Proc. SPIE 3246, Ophthalmic Technologies VIII, (1 June 1998); https://doi.org/10.1117/12.309441

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