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Diseases » Cataracts » Causes
 

Causes of Cataracts

List of causes of Cataracts

Following is a list of causes or underlying conditions (see also Misdiagnosis of underlying causes of Cataracts) that could possibly cause Cataracts includes:

More causes: see full list of causes for Cataracts

Causes of Cataracts (Diseases Database):

The follow list shows some of the possible medical causes of Cataracts that are listed by the Diseases Database:

Source: Diseases Database

Cataracts Causes: Book Excerpts

Cataracts as a complication of other conditions:

Other conditions that might have Cataracts as a complication may, potentially, be an underlying cause of Cataracts. Our database lists the following as having Cataracts as a complication of that condition:

Cataracts as a symptom:

Conditions listing Cataracts as a symptom may also be potential underlying causes of Cataracts. Our database lists the following as having Cataracts as a symptom of that condition:

Medications or substances causing Cataracts:

The following drugs, medications, substances or toxins are some of the possible causes of Cataracts as a symptom. This list is incomplete and various other drugs or substances may cause your symptoms. Always advise your doctor of any medications or treatments you are using, including prescription, over-the-counter, supplements, herbal or alternative treatments.

See full list of 114 medications causing Cataracts


Medical news summaries relating to Cataracts:

The following medical news items are relevant to causes of Cataracts:

Related information on causes of Cataracts:

As with all medical conditions, there may be many causal factors. Further relevant information on causes of Cataracts may be found in:

Causes of Cataracts: Online Medical Books

16 MEDICAL BOOKS ONLINE! Review excerpts from medical books online, free, without registration, for more information about the causes of Cataracts.

Cataract: Causes and incidence
(Professional Guide to Diseases (Eighth Edition))

Cataracts have various causes:

❑ Senile cataracts develop in elderly patients, probably because of degenerative changes in the chemical state of lens proteins.

❑ Congenital cataracts occur in neonates as genetic defects or as a sequela of maternal rubella during the first trimester. They acquire them through autosomal dominant inheritance, which will occur even if only one parent passes it along. Fifty percent of children in such families are affected.

❑ Traumatic cataracts develop after a foreign body injures the lens with sufficient force to allow aqueous or vitreous humor to enter the lens capsule. Trauma may also dislocate the lens.

❑ Complicated cataracts develop as secondary effects in patients with uveitis, glaucoma, or retinitis pigmentosa, or in the course of a systemic disease, such as diabetes, hypoparathyroidism, or atopic dermatitis. They can also result from exposure to ionizing radiation or infrared rays.

❑ Toxic cataracts result from drug or chemical toxicity with prednisone, ergot alkaloids, dinitrophenol, naphthalene, phenothiazines, or pilocarpine or from extended exposure to ultraviolet rays.

Cataracts occur as part of the aging process and are most prevalent in people older than age 70.

» READ BOOK EXCERPT ONLINE »

Source: Professional Guide to Diseases (Eighth Edition), 2005

Cataract: Causes
(Handbook of Diseases)

Cataracts have various causes, depending on their type:

Senile cataracts develop in elderly patients, probably because of degenerative changes in the chemical state of lens proteins.

Congenital cataracts occur in neonates as genetic defects or as a result of maternal rubella during the 1st trimester.

Traumatic cataracts develop after a foreign body injures the lens with sufficient force to allow aqueous or vitreous humors to enter the lens capsule.

Complicated cataracts develop as secondary effects in patients with uveitis, glaucoma, retinitis pigmentosa, or a detached retina or in the course of a systemic disease, such as diabetes, hypoparathyroidism, or atopic dermatitis. These cataracts can also result from exposure to ionizing radiation or infrared rays.

Toxic cataracts result from prolonged drug or chemical toxicity from prednisone, ergot alkaloids, naphthalene, or phenothiazines; they also result from excessive exposure to sunlight.

» READ BOOK EXCERPT ONLINE »

Source: Handbook of Diseases, 2003


 » Next page: Risk Factors for Cataracts

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