Securing apparatus for fixing aspherical eyeball when performing lamellar keratotomies, includes suction channel having aspherical eyeball engaging surface comprising interior engaging surface and superior engaging surface

摘要

The apparatus has a suction ring (100) formed with a toroidal suction channel (102) connected to a vacuum source through a tube coupling (106), and an aperture (105) that receives and exposes the cornea. The suction channel has an aspherical eyeball engaging surface comprising an interior engaging surface (101) and a superior engaging surface (103). Independent claims are also included for the following: (a) a kit for use with microkeratome; and (b) a microkeratome.