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26 Jun 2014
The reasons also include seasonal allergies, medical or otherwise - allergic keratitis. Prerequisites for the development of keratitis may be: vitamin deficiency, metabolic disorders, dry eye syndrome, decreased immunity, systemic diseases (diabetes, gout, rheumatoid arthritis, etc.).
The clinical course of keratitis defined by Duke Peterson - Keratitis clinically manifested both general and characteristic features. Common manifestations of the inflammatory process can be combined in one word corneal syndrome, which manifests lacrimation, photophobia narrowing of the palpebral fissure, where it is difficult to open the eyes, severe pain, foreign body sensation and sand in the eyes, and redness of the eyes.
Characteristic features include the formation of infiltration (easily determined by instrumental examination) under the influence of the inflammatory process, which is formed due to the accumulation in the corneal tissue of different cells: white blood cells, lymphocytes, etc. Infiltration may be superficial or deep (stromal). Surface infiltrates resolve independently, leaving only a slight turbidity, says Duke Peterson.
Same deep infiltrates leave scars of a different nature, which may either affect vision or not at an advanced stage, not treated keratitis or very high risk of relapse scarring affecting vision very often when keratitis observed the phenomenon of vascularization of the cornea that is growing into her vessels. A similar phenomenon reduces the transparency of the cornea, as it normally has no blood vessels, but on the other hand, it promotes the resorption of infiltrates.


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