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Eye color. Eye color is a polygenic phenotypic trait determined by two factors: the pigmentation of the eye 's iris [ 1][ 2] and the frequency-dependence of the scattering of light by the turbid medium in the stroma of the iris. [ 3]: 9. In humans, the pigmentation of the iris varies from light brown to black, depending on the concentration of ...
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]
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. .
The iris (brown coloured portion of the eye) controls the size of the pupil by contracting the sphincter pupillae and dilator pupillae muscles. The sphincter pupillae is the opposing muscle of the dilator pupillae. The pupil's diameter, and thus the inner border of the iris, changes size when constricting or dilating.
Diabetic retinopathy. Often asymptomatic, but can cause spots in the eye and vision loss. Diabetic retinopathy (also known as diabetic eye disease ), is a medical condition in which damage occurs to the retina due to diabetes. It is a leading cause of blindness in developed countries. Diabetic retinopathy affects up to 80 percent of those who ...
Website. doh.gov.ph. The Department of Health ( DOH; Filipino: Kagawaran ng Kalusugan) is the executive department of the government of the Philippines responsible for ensuring access to basic public health services by all Filipinos through the provision of quality health care, the regulation of all health services and products.
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Cartographic design. Cartographic design or map design is the process of crafting the appearance of a map, applying the principles of design and knowledge of how maps are used to create a map that has both aesthetic appeal and practical function. [1] It shares this dual goal with almost all forms of design; it also shares with other design ...