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Technology
Many diagnostic tests are performed during the course of our Eye Health and Vision Examination. These are some of the instruments used in our office with descriptions of what they do for you.
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DIGITAL RETINAL CAMERA
A digital retinal camera produces a high-quality diagnostic retinal image with a low flash intensity. The low flash intensity makes it more comfortable for you. |
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PHOROPTER
A phoropter is an instrument that allows the doctor to accurately determine a patient´s numerical prescription for glasses or contact lenses. This is an interactive test, where you are asked to guide the doctor toward which lenses produce clearer vision.
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AUTO-REFRACTOR
An auto-refractor is a computerized instrument which estimates your prescription. It gives the doctor a starting point to use to begin the refraction with the phoroptor.
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TONOMETER
Tonometers are used to measure pressure on the inside of the eye and screens for certain conditions, such as glaucoma. Ours is a computerized tonometer that delivers three gentle "puffs" instead of the one "blast" in the eye, so it is much more comfortable. In the event the readings are higher than normal, the doctor will do the more traditional pressure test with the blue light, in the exam room.
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PERIMETER
The peripheral vision is the part that is outside the center of your vision. This instrument "maps out" the peripheral vision to be sure it is all present, and there are no irregularities in it. We have two instruments, one to do screenings during your Annual Eye Health and Vision Examination, and the other to monitor those who have visual field irregularities. Automated visual field testing can detect a multitude of problems found in the eyes or in the brain. Problems such as retinal detachments, strokes in the optic nerve, brain tumors, and aneurysms can all be detected by the use of these advanced tests.
The fun part is that on your side, it is like a video game.
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DIRECT OPHTHALMOSCOPE
The doctor uses this instrument to obtain a 2-D (2–dimensional) view of the posterior aspects of the eye – namely the retina and optic nerve.
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BINOCULAR INDIRECT OPHTHALMOSCOPE
The doctor uses this instrument to obtain a 3-D (3–dimensional) view of the retinal and optic nerve through a dilated pupil. This is the best way to detect retinal detachments.
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CORNEAL TOPOGRAPHER
Computerized corneal topography creates a topographical digital map of the front surface curvature of the cornea. This high-tech instrument is used in diagnosing multiple corneal pathologies and for complex contact lens fittings.
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