An original focus of refractive surgery is implantation of a correcting lens inside an eye with sparing patient’s own transparent lens. It has been determined by calculation that a corrective lens placed inside an eye surpasses the extraocular means of correction (glasses, contact lenses) in image quality. In the setting of myopia it provides a bigger image on the retina and increases visual acuity by 1-2 lines of the eye-chart  in comparison with glasses and contact lenses.
Currently Phakic intraocular lenses fastened to iris have found wide application.
Indications for implantation of Phakic intraocular lenses
Bilateral myopia of high degree
Unilateral myopia of high degree under condition of availability of sufficient vision acuity for binocular vision.
Contra-indications:
This surgery is contra-indicated for patients with glaucoma, lenticular opacity, macular pathology, chronic inflammatory and allergic diseases of conjunctiva, choroid and uvea.
The only Phakic intraocular lens recognized and produced in lot sizes is the lens by a Dutch ophthalmologist professor Ian Worst with an original name “Lobster claw lens”. The lenses are produced by “OPHTEC” company in Netherlands and are called “ARTISAN LENS”.



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