1.   Currently the only available treatment involves continual use of eye drops that reduce intraocular pressure.

2.   Roger Martin, who was treated for glaucoma, with an intraocular pressure tester.

3.   When Bito began his research, ophthalmologists had already concluded that prostaglandins raised intraocular pressure, and were therefore dangerous.

4.   He then underwent exhaustive tests that indicated no other glaucoma drug available lowered his intraocular pressure and halted deterioration of his eyesight.