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Questions and Answers
What is the most common cause of cataract?
What is the most common cause of cataract?
What is a symptom of cataract?
What is a symptom of cataract?
What is a diagnostic test for cataract?
What is a diagnostic test for cataract?
What is a treatment option for cataract?
What is a treatment option for cataract?
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What type of surgery is commonly used to treat cataract?
What type of surgery is commonly used to treat cataract?
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What is implanted during cataract surgery?
What is implanted during cataract surgery?
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What increases the risk of cataract?
What increases the risk of cataract?
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What is a risk factor for developing cataract?
What is a risk factor for developing cataract?
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Study Notes
Causes of Cataract
- Age: Most common cause of cataract, affecting people over 60 years old
- Genetics: Family history and inherited disorders can increase the risk of cataract
- Diabetes: High blood sugar levels can cause cataract
- Injury: Eye injury or trauma can cause cataract
- Medications: Prolonged use of steroids and other medications can increase the risk of cataract
- UV radiation: Prolonged exposure to UV radiation can cause cataract
- Smoking: Smoking can increase the risk of cataract
Symptoms of Cataract
- Blurred vision: Difficulty seeing objects clearly
- Double vision: Seeing two images of a single object
- Sensitivity to light: Glare from lights and difficulty with night driving
- Fading colors: Colors appear less vibrant and faded
- Difficulty reading: Difficulty reading or performing daily tasks
- Eye pain: Mild to severe eye pain
Diagnosis of Cataract
- Visual acuity test: Measures the sharpness of vision
- Dilated eye exam: Examines the retina and optic nerve
- Slit-lamp exam: Examines the front of the eye
- Tonometry: Measures the pressure inside the eye
- Refraction: Measures the prescription of the eye
Treatment Options for Cataract
- Glasses: Corrects blurred vision
- Contact lenses: Corrects blurred vision
- Anti-glare sunglasses: Reduces glare from lights
- Magnifying lenses: Enhances near vision
Surgery for Cataract
- Phacoemulsification: Most common type of cataract surgery, uses ultrasound to break up the cataract
- Extracapsular surgery: Removes the cataract in one piece
- Intracapsular surgery: Removes the cataract and the lens capsule
- Lens implantation: Replaces the natural lens with an artificial lens (IOL)
- Recovery: Typically takes a few weeks to recover from cataract surgery
Causes of Cataract
- Affects people over 60 years old, most common cause of cataract
- Family history and inherited disorders increase the risk
- High blood sugar levels can cause cataract
- Eye injury or trauma can cause cataract
- Prolonged use of steroids and other medications increase the risk
- Prolonged exposure to UV radiation causes cataract
- Smoking increases the risk of cataract
Symptoms of Cataract
- Difficulty seeing objects clearly, blurred vision
- Seeing two images of a single object, double vision
- Glare from lights and difficulty with night driving, sensitivity to light
- Colors appear less vibrant and faded
- Difficulty reading or performing daily tasks
- Mild to severe eye pain
Diagnosis of Cataract
- Measures the sharpness of vision, visual acuity test
- Examines the retina and optic nerve, dilated eye exam
- Examines the front of the eye, slit-lamp exam
- Measures the pressure inside the eye, tonometry
- Measures the prescription of the eye, refraction
Treatment Options for Cataract
- Corrects blurred vision, glasses
- Corrects blurred vision, contact lenses
- Reduces glare from lights, anti-glare sunglasses
- Enhances near vision, magnifying lenses
Surgery for Cataract
- Most common type of cataract surgery, uses ultrasound to break up the cataract, phacoemulsification
- Removes the cataract in one piece, extracapsular surgery
- Removes the cataract and the lens capsule, intracapsular surgery
- Replaces the natural lens with an artificial lens (IOL), lens implantation
- Typically takes a few weeks to recover from cataract surgery, recovery
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Description
Identify the various factors that contribute to the development of cataract, including age, genetics, diabetes, and more. Learn about the risk factors and causes of cataract.
