Dr. Dementiev is the one of the world’s most famous ophthalmic surgeons, scientist and inventor. He approved himself as being not only a surgical care practitioner but also a scientist and inventor.
Since 1986, Dr. Dementiev, together with Professor V. K. Zuev, has been developing and applied in practice phakic intraocular lenses to correct the high degree myopia. Dr. Dementiev was one of the first ophthalmologists who changed extracapsular extraction to phacoemulsification in cataract surgery.
In 1988, Dr. Dementiev became a head of the group that was investigating and developing keratomileusis, created by order of the director of the S. Fyodorov Eye Microsurgery Federal State Institution.
For his exceptional merits, Dr. Dementiev was invited to work in Italy in 1989; there he continued the scientific development of the method of phakic correction of refractive abnormalities, and in 1994 he proposed a new model of the posterior chamber phakic intraocular lens. In 1999, Dr. Dementiev directly participated in the production launch of the posterior chamber phakic lens (PRL) in the USA, which got a certificate of conformity for use in the EU countries, and had a clinical trial protocol (FDA) launched in the USA.