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Message: <blockquote data-quote="imhotep" data-source="post: 28098982" data-attributes="member: 562115">Asking what you don't know doesn't make anyone stupid. Keratoconus is a condition that causes the cornea (the clear surface on the front of the eye) to gradually thin and bulge into a cone shape. This can cause myopia and astigmatism, resulting in blurry and distorted vision. There can be several risk factors like family history, unusual eye rubbing and certain medical conditions.In advanced keratoconus, when glasses or contact lenses no longer can improve the vision, a corneal transplant may be necessary. Corneal transplantation involves removing the diseased area of cornea and replacing it with a healthy, donor cornea.Collagen cross-linking is a newer treatment that slows or stops the progression of keratoconus. It involves using riboflavin (vitamin B12) drops and UV radiation on the cornea, to strengthen the collagen fibres in the cornea. Although cross-linking cannot restore lost vision due to keratoconus, it prevents future vision loss.OTOH Cataracts affect the eye lens. A cataract is a clouding of the normally clear lens of the eye.<hr />Sadly in short term no, in the long term there could be some hope. Many researchers are working on this.  All current treatments work on the basis of lowering the IOP. - medication, incisional surgery, and laser treatments.  While these are effective for most patients, many continue to lose vision through damage to the optic nerve.If one day someone is successful of regenerating nerve cells then it will provide a pathway to a solution. The ultimate goal would be to actually be able to regenerate lost or damaged nervous tissue. Stem cells does play a role but it will be a long way off.------ Post added on [DATETIME="UT"]1661302231[/DATETIME]</blockquote>

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