POSSIBILITIES OF LASER RETINOPUNCTURE METHOD IN VITREORETINAL PHYSIOLOGY STUDY

97th DOG Annual Meeting 1999

K42
POSSIBILITIES OF LASER RETINOPUNCTURE METHOD IN VITREORETINAL PHYSIOLOGY STUDY

K.Takhchidi, I. Malov

We have studied the elimination of blood and transsudate in the vitreous after laser retinopuncture (Kh.P.Takhchidi et al, 1994) with YAG laser (Visulas II, Zeiss, 1064 nm, Q-switched) in 51 patient with macular haemorrhages and transsudative maculopathies. Biomicroscopy with Goldmann lens, colour fundus photography and videorecording were performed. For the first time optic coherent tomography (Humphrey OCT scanner Model 2000) was employed for monitoring of retinal cavity gap changes and state of draining foramen.

It was possible to observe in vivo vitreoretinal interaction in the macular region, to estimate peculiarities of blood and transsudate circulation from retinal cavity into the vitreous and, further, via definite regions of the vitreous, to the ciliary body region. In this way some aspects of hydrodynamics in the vitreous body have been studied.

A suggestion about mechanisms of LR action based on elastic tension of the vitreous body and retinal layers as well as peculiarities of intravitreal fluid circulation was advanced.

IRTC "Eye Microsurgery" Ekaterinburg Center, Bardin Str. 4a 620149 Ekaterinburg, Russia

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