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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.
An eye is a sensory organ that allows an organism to perceive visual information. It detects light and converts it into electro-chemical impulses in neurons (neurones). It is part of an organism's visual system.
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 ]
Ocular dysmetria is a form of dysmetria that involves the constant under- or over-shooting of the eyes when attempting to focus gaze on something. [ 1 ] Ocular dysmetria indicates lesions in the cerebellum , which is the brain region responsible for coordinating movement.
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Magnesium sulfate or magnesium sulphate is a chemical compound, a salt with the formula MgSO 4, consisting of magnesium cations Mg 2+ (20.19% by mass) and sulfate anions SO 2− 4.It is a white crystalline solid, soluble in water but not in ethanol.