Abstract: An open angle glaucoma treatment method and apparatus wherein pressure, positive or negative, is applied to the frontal surface of the eye. The open angle glaucoma treatment apparatus is a vacuum source and a vacuum applicator coupled by a hose. The vacuum applicator is an eye ring or an eye cup that is placed on the frontal surface of an eye. Suction (negative pressure) in the range of 10 to 30 mm. Hg. is applied by the vacuum source, which will fixate the ring or cup to the eye, or alternatively pressure is applied via ring or cup that is held in place. The suction or pressure is applied for 15 to 120 seconds. A second treatment is recommended later. It could be within twelve hours, on the following day, or within the next couple of days. A second treatment more than five days later considered less effective or ineffective.

Abstract: A cutting length adjustment plate for a keratome that allows for a pre-cutting measurement of a corneal cut has a transverse groove adapted to receive a keratome, a parallel aperture in the groove for viewing the blade in the keratome, and indicia to measure the distance of the tip of the blade to the rear end of the keratome. A method of cutting a sized corneal flap is also disclosed. The invention further comprises a keratome with a spring loaded adjustable plate having a groove in which to retain a free end the spring. A collar to support the spring is also present. Lastly, a bracket is disclosed for use in measuring and adjusting the cutting depth of the keratome. The method for using the bracket is also disclosed.