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Tear Film & Ocular Surface Society (TFOS) is a 501(c)(3) nonprofit organization founded in 2000 focused on facilitating consensus and standardization on ophthalmological research related to ocular surface subjects like tear film, dry eye, meibomian gland dysfunction and contact lens discomfort.
Ocular rosacea is a type of rosacea that affects the eyes. [1] Signs and symptoms generally consist of redness, irritation or burning of the eyes. Affected individuals may also feel that there is something, such as an eyelash , in the eye and frequently have redness of the nose and cheeks as well. [ 1 ]
Often, this light beam is narrowed into a vertical "slit", during slit-lamp examination. The examiner views the illuminated ocular structures, through an optical system that magnifies the image of the eye and the patient is seated while being examined, and the head stabilized by an adjustable chin rest and a bar around the forehead.
Magnesium oxide (Mg O), or magnesia, is a white hygroscopic solid mineral that occurs naturally as periclase and is a source of magnesium (see also oxide).It has an empirical formula of MgO and consists of a lattice of Mg 2+ ions and O 2− ions held together by ionic bonding.
The structures of solid magnesium citrates have been characterized by X-ray crystallography.In the 1:1 salt, only one carboxylate of citrate is deprotonated. It has the formula Mg(H 2 C 6 H 5 O 7) 2 The other form of magnesium citrate has the formula Mg(HC 6 H 5 O 7)(H 2 O) 2, consisting of the citrate dianion (both carboxylic acids are deprotonated). [1]
Ocular albinism, type 1 (OA1) 300500: GPR143: Also known as Nettleship–Falls syndrome, [4] [5] [6] is the most common variety of ocular albinism. OA1 is usually associated with nystagmus, and difficult to otherwise detect in females; males show more readily observable symptoms. Ocular albinism, type 2 (OA2) 300600: CACNA1F [7]
Magnesiohastingsite is a calcium-containing amphibole and a member of the hornblende group. [5] It is an inosilicate (chain silicate) with the formula NaCa 2 (Mg 4 Fe 3+)(Si 6 Al 2)O 22 (OH) 2 [1] and molar mass 864.69 g. [2]
The blood–ocular barrier is a barrier created by endothelium of capillaries of the retina and iris, ciliary epithelium and retinal pigment epithelium. [1] It is a physical barrier between the local blood vessels and most parts of the eye itself, and stops many substances including drugs from traveling across it. [ 2 ]