{"id":8491,"date":"2021-06-23T14:37:05","date_gmt":"2021-06-23T13:37:05","guid":{"rendered":"https:\/\/www.chu-poitiers.fr\/specialites\/ophtalmologie\/?page_id=8491"},"modified":"2021-06-23T14:37:05","modified_gmt":"2021-06-23T13:37:05","slug":"cataract-glaucoma-and-corneal-diseases","status":"publish","type":"page","link":"https:\/\/www.chu-poitiers.fr\/specialites\/ophtalmologie\/cataract-glaucoma-and-corneal-diseases\/?lang=en","title":{"rendered":"Cataract, glaucoma and corneal diseases"},"content":{"rendered":"

Nos consultations<\/strong><\/a><\/p>\n

Cataract<\/h3>\n
\"cataracte\"
Cataracte<\/figcaption><\/figure>\n

A cataract is due to the progressive opacification of the crystalline lens, and is generally due to age. Diabetes, myopia and long-term cortico-steroid use are also risk factors.<\/p>\n

The crystalline lens (the lens) is located inside the eye, behind the iris that facilitates clarification, which means the focusing of light beams at the center of the retina. \u00a0At around the age of 45, the lens begins to lose its elasticity, close-range vision is blurry or hazed: This is presbyopia.<\/p>\n

Normally, the lens is transparent. When transparency is lost, and opacification occurs, light can no longer normally go through. Vision is impaired and becomes unfocused: There is a cataract.<\/p>\n

A cataract is generally associated with the natural aging of the lens after the age of 65, but it can also be related to diabetes or ocular trauma; in rare cases, it may be congenital.<\/p>\n

Its signs:<\/u><\/p>\n

A loss of vision affecting the (far or near) view appears, as does bedazzlement or doubling of images.<\/p>\n

Its treatment<\/u>:<\/p>\n

It is surgical. The objective of the operation is to remove the the opaque lens and to have it replaced by an artificial lens. A cataract operation is generally ambulatory and takes place under local anesthesia.<\/p>\n

https:\/\/www.chu-poitiers.fr\/wp-content\/uploads\/2014\/09\/film-cataracte.mp4<\/a><\/video><\/div>\n

Video presentation of a cataract operation \u00a0(attention, these are surgery images!).<\/p>\n

Glaucoma<\/h3>\n
\"Nerf<\/a>
Nerf optique glaucomateux en haut et normal en bas<\/figcaption><\/figure>\n

Glaucoma is a severe<\/strong> ocular disease. Most often, it is associated with ocular hypertension leading to irreversible loss of vision through degeneration of the optical fibers.<\/p>\n

It is a frequent<\/strong> disease, representing the second worldwide cause of blindness; it affects 1 to 3% of persons over 50 years of age.<\/p>\n

Different types of glaucoma are commonly distinguished:<\/u><\/p>\n