1 Categories of training needed are determined by the job duties.  Employees who work in a shop environment (electrical, carpenter, plumbing shops, etc.) should check with their supervisor to determine additional training requirements.
Intraocular pressure (IOP) is the fluid pressure inside the eye. Tonometry is the method eye care professionals use to determine this. IOP is an important aspect in the evaluation of patients at risk from glaucoma.Most tonometers are calibrated to measure pressure in millimeters of mercury (mmHg).ntraocular pressure (IOP) is the fluid pressure inside the eye. Tonometry is the method eye care professionals use to determine this. IOP is an important aspect in the evaluation of patients at risk from glaucoma.
The range of eye pressure found in approximately 90 percent of the general population is between 8-21 mm Hg (millimeters of mercury). Low eye pressure may therefore generally be defined as less than 8 mm Hg. In general, the eye can see fine still at these low pressures, though the risk of blurred vision increases significantly with eye pressures under 6 mm Hg. Rather than the pressure number, the primary issue is whether the low eye pressure is causing any problems for the eye or for the vision.