Some problems and prospects of aphakia intraocular correction in cataract phacoemulsification
Journal: Oftalmologicheskii zhurnal (Vol.2014, No. 2)Publication Date: 2014-04-20
Authors : ZHABOEDOV D.G.;
Page : 112-117
Keywords : CATARACT; INTRAOCULAR CORRECTION; PROBLEMS AND PROSPECTS; PRINCIPLES OF BIONICS;
Abstract
The analysis of scientific literature on intraocular correction of aphakia has been carried out. There were marked the progress, achievements and failures of researchers at all stages of cataract surgery, which along with the introduction of new operation methods carried out the search and development of new models of intraocular lens, the main criteria of which had been designated by S. N. Fedorov. The important properties of the IOL are considered to be ideal biocompatibility, biostability, perfect transparency, defined borders of refractive index, lightness in the aqueous humor, elasticity with shape memory without generating optical aberrations, providing contrast quality, preservation of color vision, good vision of object details at different distances and under different illuminance along with high visual acuity that approaches IOL to the natural lens of the healthy eye. There were examined the main types of IOL models implanting at present, their advantages and disadvantages, properties and design features among which there are IOLs with accommodative effect, toric, multifocal and aspheric IOLs, lenses with coated optics and chromatic component, simple and stable fixation in the posterior chamber in place of natural lens. Thus, these areas are based on the principles of bionics, so borrowing in nature the ways to improve the methods of intraocular correction look promising on the grounds that the evolutionary nature has eternity and researches are strictly limited in time
Other Latest Articles
- Modern possibilities of confocal microscopy
- Some peculiarities of carbohydrate metabolism in the cornea and correction of its disturbances in modeled alkaline burn of the cornea
- Possibility of metabolic correction of the functional condition of mitochondria in the retina in different periods of development of experimental diabetes
- Peculiarities of the morphological changes of chorioretinal complex in rabbit eyes after exposure to high-frequency electric current with a frequency of 66 kHz (modified generator EC300 - Ml)
- Experimental research of the influence of seven-day tamponade with perfluorine-organic compounds on the ultrastructure of the rabbit eye
Last modified: 2015-01-20 21:56:22