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Spectacles (glasses) to correct refractive errors of the eye; not invasive. Contact lenses. to correct refractive errors of the eye; a little invasive. Phoropter. used in refraction testing. Tonometers. used to determine the intraoccular pressure (IOP) - useful in glaucoma; video link for various types of tonometers.
A Snellen chart is an eye chart that can be used to measure visual acuity. Snellen charts are named after the Dutch ophthalmologist Herman Snellen who developed the chart in 1862 as a measurement tool for the acuity formula developed by his professor Franciscus Cornelius Donders. [1] [2] Many ophthalmologists and vision scientists now use an improved chart known as the LogMAR chart .
An eye chart is a chart used to measure visual acuity comprising lines of optotypes in ranges of sizes. Optotypes are the letters or symbols shown on an eye chart. [1]
An ophthalmologist is a physician who undergoes subspecialty training in medical and surgical eye care. [3] Following a medical degree, a doctor specialising in ophthalmology must pursue additional postgraduate residency training specific to that field. This may include a one-year integrated internship that involves more general medical training in other fields such as internal medicine or ...
Ophthalmoscopy, also called funduscopy, is a test that allows a health professional to see inside the fundus of the eye and other structures using an ophthalmoscope (or funduscope ). It is done as part of an eye examination and may be done as part of a routine physical examination. It is crucial in determining the health of the retina, optic ...
Glaucoma. Acute angle closure glaucoma of a person's right eye (shown at left). Note the mid-sized pupil, which is non- reactive to light, and redness of the white part of the eye. Glaucoma is a group of eye diseases that lead to damage of the optic nerve, which transmits visual information from the eye to the brain.
List of medical roots, suffixes and prefixes This is a list of roots, suffixes, and prefixes used in medical terminology, their meanings, and their etymologies. Most of them are combining forms in Neo-Latin and hence international scientific vocabulary. There are a few general rules about how they combine. First, prefixes and suffixes, most of which are derived from ancient Greek or classical ...
Eye care professional An eye care professional is an individual who provides a service related to the eyes or vision. It is any healthcare worker involved in eye care, from one with a small amount of post-secondary training to practitioners with a doctoral level of education.