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Lea test. 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] Eye charts are often used by health care professionals, such as optometrists, physicians and nurses, to screen persons for vision impairment.
Ocular OCT retinal thickness map, right eye Time-domain OCT of the macular area of a retina at 800 nm, axial resolution 3 μm Spectral-domain OCT macula cross-section scan. Optical coherence tomography (OCT) is a technique for obtaining sub-surface images of translucent or opaque materials at a resolution equivalent to a low-power microscope.
A view of the fort of Marburg (Germany) and the saliency Map of the image using color, intensity and orientation. In computer vision, a saliency map is an image that highlights either the region on which people's eyes focus first or the most relevant regions for machine learning models. [1] The goal of a saliency map is to reflect the degree of ...
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Ophthalmology ( / ˌɒfθælˈmɒlədʒi /, OFF-thal-MOL-ə-jee) [1] is a clinical and surgical specialty within medicine that deals with the diagnosis and treatment of eye disorders. [2] A former term is oculism . An ophthalmologist is a physician who undergoes subspecialty training in medical and surgical eye care. [3]
Hospital, Clinic, Laboratory. Optometry is a specialized health care profession that involves examining the eyes and related structures for defects or abnormalities. Optometrists are health care professionals who typically provide comprehensive eye care. In the United States and Canada, optometrists are those that hold a Doctor of Optometry degree.
File:Ph physical map.png. File. File history. File usage. Global file usage. Size of this preview: 382 × 598 pixels. Other resolutions: 153 × 240 pixels | 600 × 940 pixels. Original file (600 × 940 pixels, file size: 114 KB, MIME type: image/png) Wikimedia Commons Commons is a freely licensed media file repository. .
Orbis International is an international non-profit non-governmental organization (NGO) dedicated to saving sight worldwide. [1] [non-primary source needed] Its programs focus on the prevention of blindness and the treatment of blinding eye diseases in developing countries through hands-on training, public health education, advocacy and local ...