Cataracts Flashcards
What is cataracts
Opacity of the crystalline lens
1. Leads to gradual, painless blurring of vision and eventual loss of sight
2. Bilateral
3. Progressive over months
What are the risk factors of cataracts
- Aging >60
- DM
- Cigarette smoking
- Heavy alcohol consumption
What are the signs of cataracts
- Progressively blurring of vision
- Glare with bright light or with night driving
- Changes in focusing
- Monocular double vision
- Sees better in dim light
- No pain or redness
What will be seen with the fundoscopic exam
- Visualization of the cataract
- Inability to elicit a red reflex or visualize the retina
- Pupil is white, gray or black
What is the goal of tx if someone has cataracts
Restore daily functional vision via simplest means
What needs to happen if you visually see the cataract
Does not mean it needs to be removed
1. No medical treatment may be needed
2. Update prescription glasses, brighter lights
When is surgery required for cataracts
If cataract disrupts daily function or causes a fall
1. Surgical extraction of cloudy lens
*outpatient
*local anesthesia
*Replace with artificial lens