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Cataract - Coggle Diagram
Cataract
Risk factors
Increasing age
Diabetes
Excessive exposure to sunlight
Smoking
Obesity
High blood pressure
Previous eye injury or inflammation
Previous eye surgery
Prolonged use of corticosteroid medications
Drinking excessive amounts of alcohol
Symptoms
Clouded, blurred or dim vision
Increasing difficulty with vision at night
Sensitivity to light and glare
Need for brighter light for reading and other activities
Seeing "halos" around lights
Frequent changes in eyeglass or contact lens prescription
Fading or yellowing of colors
Double vision in a single eye
Causes
Drink too much alcohol
family history
Smoke
diabetes
Have spent a lot of time in the sun
Have spent a lot of time in the sun
Take steroids
pathophysiology
drop in ATP level
poor control electrolyte level
massive influx of water in to lens
decrease in hexokinase concentration
aging
disorganized of structures protein in lens
aggregation and precipitation of protein
Prevention
Choose a healthy diet
Manage other health problems
Quit smoking
Wear sunglasses
Have regular eye examinations
Reduce alcohol use
nursing intervention
Assess the patient’s ability to see and perform activities
Encourage patient to see an ophthalmologist at least yearly.
Provide sufficient lighting
Provide night light for the patient’s room
Prepare patient for cataract surgery as warranted.
Diagnosis
Retinal exam
Slit-lamp examination
Visual acuity test
Treatment
Cataract surgery
putting of lens
Definition
Clouding of the normally clear lens of the eye