Poor compliance with medications and follow-up visits is a major reason for vision loss in glaucoma patients.

Fully 85 percent of my glaucoma patients were detected during a routine eye examination.

In glaucoma patients, the elastin looks like it has been stretched too many times, he said.

In addition, glaucoma patients have a higher chance of responding to steroids than non-glaucomatous individuals.

The figure on the right shows a frame from a simulation of a glaucoma patient with the eye fixated on the word "similar."

Although Cannabis may not be the best therapeutic choice for glaucoma patients, it may lead researchers to more effective treatments.

But virtually all glaucoma patients were sensitive to steroids.

"The same strain that helps glaucoma patients might not be the best one for polar disorders, and vice versa," he said.

One study suggested that the PEX was present in 12% of glaucoma patients.

Mr. Randall, a glaucoma patient, was the first to win such approval.