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Corneal neovascularization (CNV) is the in-growth of new blood vessels from the pericorneal plexus into avascular corneal tissue as a result of oxygen deprivation. [1] Maintaining avascularity of the corneal stroma is an important aspect of healthy corneal physiology as it is required for corneal transparency and optimal vision.
370.6 Corneal neovascularization; 370.8 Other forms of keratitis; 370.9 Unspecified; 371 Corneal opacity and other disorders of cornea. 371.0 Corneal scars and opacities; 371.1 Corneal pigmentations and deposits; 371.2 Corneal oedema; 371.3 Changes of corneal membranes; 371.4 Corneal degenerations; 371.5 Hereditary corneal dystrophies; 371.6 ...
Corneal opacification is a term used when the human cornea loses its transparency. The term corneal opacity is used particularly for the loss of transparency of cornea due to scarring. Transparency of the cornea is dependent on the uniform diameter and the regular spacing and arrangement of the collagen fibrils within the stroma.
Long-term contact lens use can lead to alterations in corneal thickness, stromal thickness, curvature, corneal sensitivity, cell density, and epithelial oxygen uptake. . Other structural changes may include the formation of epithelial vacuoles and microcysts (containing cellular debris), corneal neovascularization, as well as the emergence of polymegethism in the corneal endoth
Terrien marginal degeneration is a noninflammatory, unilateral or asymmetrically bilateral, slowly progressive thinning of the peripheral corneal stroma. [ 1 ] [ 2 ] Cause
The World Trade Center Health Program provides health monitoring and treatment for 9/11-related health conditions. Responders, including police, firefighters, clean-up workers and others who ...
In ophthalmology, choroidal neovascularization is the formation of a microvasculature within the innermost layer of the choroid of the eye. [6] Neovascularization in the eye can cause a type of glaucoma (neovascularization glaucoma) if the new blood vessels' bulk blocks the constant outflow of aqueous humour from inside the eye.
Arcus senilis (AS), also known as gerontoxon, arcus lipoides, arcus corneae, corneal arcus, arcus adiposus, or arcus cornealis, are rings in the peripheral cornea.It is usually caused by cholesterol deposits, so it may be a sign of high cholesterol.