1
Jugvir Inder Singh Derewa, Heraldo Sa Martins, Etelvino Teixeira Coelho: Presbyopia correction using a protected space pattern, methods and apparatus. Jugvir I Singh Derewa, September 8, 1998: US05803923 (75 worldwide citation)

A zone of increased curvature is produced in the inferior lower quadrants of the cornea FIG. 1 (5). This zone produces a "plus effect" FIG. 2 (5) which leads presbyopia patients to be able to read from near distance again. Such effect is achieved using photoablitive techniques and fixation, patterns ...


2
J T Lin, Heraldo Sa Martins: Apparatus and methods for reversal of presbyopia using near infrared selective laser on zonnulas. December 10, 2002: US06491688 (20 worldwide citation)

A method and apparatus for presbyopia correction are disclosed. The disclosed preferred embodiments of the system consists of a beam spot controller, a beam delivery device, a slit lamp, a visible aiming beam and a selected solid state laser having a wavelength of (0.9-1.4) microns. Presbyopia is tr ...