by Erica Kepler | Apr 22, 2021 | Optometry
Among the most important instruments in an ophthalmologist’s office is the tonometer, which measures the pressure of fluid within the eye. Most tonometers measure intraocular fluid pressure through applanation or direct contact with the cornea. Others simply rely on...
by Erica Kepler | Apr 6, 2021 | Optometry
With sustainability as a global watchword in 2021, it may come as a surprise that disposable editions of ophthalmic instruments are gaining popularity in the field. After all, shouldn’t we be trying to conserve and reuse what we already have? In general, yes. In the...
by Erica Kepler | Mar 16, 2021 | Optometry
Like so many important parts of the human body, the optic nerve is a fragile thing. The nerve that relays signals from the eye to the brain is integral to our sense of sight, but damage to the optic nerve can permanently reduce our vision. Glaucoma, the progressive...
by Erica Kepler | Mar 3, 2021 | Optometry
Taking a reading of a patient’s intraocular pressure is the first step in identifying the onset of glaucoma. High pressure in the eyes leads to high pressure upon the optic nerve, which damages the cells of those nerves and impedes the eyes’ ability to communicate...
by Erica Kepler | Feb 22, 2021 | Optometry
One of the most important tasks any eye doctor has is to screen for glaucoma—the gradual loss of vision due to pressure on the optic nerve. Most of this pressure comes from an inability of the eye to drain intraocular fluid. Measuring intraocular pressure, or IOP,...
by Erica Kepler | Feb 5, 2021 | Optometry
The idea that numbers never lie is a lie unto itself. Numbers can obfuscate, they can mislead, and they can be the results of faulty equations—garbage in, garbage out, as they say in the computer science field. In the field of ophthalmology, one of the most evident...
