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Types of eye Tests

A Standard eye Chart
A Standard eye Chart

The classic example of an eye chart is the Snellen eye chart, developed by Dutch eye doctor Hermann Snellen in the 1860s. There are many variations of the Snellen eye chart, but in general they show 11 rows of capital letters.

Applanation Tonometry (Glaucoma Test)*
Applanation Tonometry (Glaucoma Test)*

Tonometry is a test that is commonly performed during a routine eye check-up. A tonometry test may be done by an optometrist or by an ophthalmologist. This test measures intraocular pressure (the pressure inside the eye). Intraocular pressure that is higher than normal is an important indicator of certain diseases, such as glaucoma.

image: keranews.org
Cover Test to Check eye Alignment
Cover Test to Check eye Alignment

How to Perform a Basic Cover Test in Ocular Misalignment or Strabismus. Christopher ... This test is performed after single cover testing as it is the most dissociative of cover tests. This test involves covering one eye and holding the occluder for several seconds to suspend fusion, then shifting the occluder to the other eye …

Exam of Retina After Pupil Dilation
Exam of Retina After Pupil Dilation

In dilation, your doctor uses special eye drops to force the pupil to stay open. That allows him to see much more of the back of your eye, including the entire retina, the part of the retina called the macula, and the optic nerve. During a dilated exam, your doctor can spot problems like a torn or detached retina or an eye tumor.

source: webmd.com
Manual Refraction With a Phoropter
Manual Refraction With a Phoropter

What is a: Phoropter A phoropter is an instrument used to test individual lenses on each eye during an exam. If, during an eye examination, your doctor has discovered a vision problem like nearsightedness, farsightedness or astigmatism, it's likely that one of the next steps you'll take will involve a phoropter.