PTG 105-Exam 4-ENT 5
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What are the eye changes associated with open angle glaucoma?
- Increased resistance to aqueous flow
- Not many changes
What is the outcome of Open angle glaucoma?
Gradually progressive visual field loss
What are the treatment options of open angle glaucoma?
Surgery and medication
What is closed angle glaucoma?
- Shallow anterior chambers
- Dramatic increased eye pressure
- Obstruction of outflow
What are the treatment options of closed angle glaucoma?
Medication or treatment
Can medication reverse or halt glaucoma symptoms?
- Symptom relief only for acute glaucoma
What are the signs of closed angle glaucoma?
- Sudden eye pain
- Halos around lights
- Red eye
- Sudden decreased vision
What are other names for closed angle glaucoma?
Acute or narrow angle glaucoma
Describe the physical changes of closed angle glaucoma:
Angle of the canal is blocked by the iris
What is retinal vascular disease?
Insufficient blood supply to the retina causing progressive vision loss
What are the two types of Retinal Vascular Disease?
- Diabetic retinopathy
- Hypertensive retinopathy
What are characteristics of Diabetic retinopathy?
- Dot-blot hemorrhages
- Blood vessel growth (neovascularization)
What are the characteristics of hypertensive retinopathy?
- Narrowing of arterioles
- Swelling of optic disc
- “Cotton wool” spots
What is the macula?
The central area of the retina
What is the outcome of macular degeneration?
Destroys sharp central vision
What is the pathogenesis of Macular degeneration?
Death of macular cells
Treatment of macular degeneration can or cannot correct the issue?
Cannot, it can only low the progression
What group most commonly acquires macular degeneration?
What are the risk factors for macular degeneration?
- Family history
- High Cholesterol
What is the treatment for macular degeneration?
What disease would you treat with photocoagulation?
What would you like to do?
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