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Cataracts IMG_20201129_115149_023 - Coggle Diagram
Cataracts
definition
The cloudiness of the lens of the eye
Symptoms
Blurry vision
cant see in dim light
vision loss
Causes
Aging
Heriditary
Injury
medical conditions like diabetes
Risk factors
Obesity
High blood pressure
Aging
Family history
Past eye injury or inflammation
Diagnosis
Visual acuity test
Slit-lamp examination
Retinal examination
Surgery
Cataract surgery
Pathophysiology
The lens is made mostly of water and protein fibers
Opacity occur whe the les protein (crystallins) clump together
Ability of the lens to refract light reduce which cause reduce visual acuity
Chemical modification of the lens cause it to be thicken and harden
Nursing Management
Provide preoperative care
Advise patient to stop smoking
Guide patient and also prevent injury
Increase fluid intake
Types of cataracts
Nuclear cataract
Cortical cataract
posterior cataract
Diet
Vitamin A, C and E
zeaxanthin
100 percent whole gain
