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Questions and Answers
What is the most common reason for blindness in the elderly?
What is the most common reason for blindness in the elderly?
- Retinal Detachment
- Cataracts
- Macular Degeneration (correct)
- Glaucoma
What is the difference between ectropion and entropion?
What is the difference between ectropion and entropion?
- Ectropion is when the lid is turned outward, while entropion is when the lid is turned inward (correct)
- Ectropion is caused by an infection of the meibomian gland, while entropion is caused by hyperthyroidism
- Ectropion is most commonly seen in the elderly, while entropion is most commonly seen in children
- Ectropion is when the lid is turned inward, while entropion is when the lid is turned outward
What is the cause of Adie's pupil?
What is the cause of Adie's pupil?
- An infection of the meibomian gland
- Inflammation of the iris
- Increased intraocular pressure
- A parasympathetic lesion of CN III (correct)
What is the most common cause of blindness in the elderly?
What is the most common cause of blindness in the elderly?
What is the most common cause of lid turning outward in the elderly?
What is the most common cause of lid turning outward in the elderly?
What condition is indicated by bilaterally small and irregular pupils that accommodate but do not react to light?
What condition is indicated by bilaterally small and irregular pupils that accommodate but do not react to light?
What is the most common reason for blindness in the elderly?
What is the most common reason for blindness in the elderly?
What condition is indicated by bilaterally small and irregular pupils that accommodate but do not react to light?
What condition is indicated by bilaterally small and irregular pupils that accommodate but do not react to light?
What is the most likely cause of a sluggish pupillary reaction to light that is unilateral and caused by a parasympathetic lesion of CN III?
What is the most likely cause of a sluggish pupillary reaction to light that is unilateral and caused by a parasympathetic lesion of CN III?
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Study Notes
Eye Disorders in the Elderly
- The most common reason for blindness in the elderly is Age-Related Macular Degeneration (AMD).
Ectropion vs. Entropion
- Ectropion is a condition where the eyelid turns outward, away from the eye.
- Entropion is a condition where the eyelid turns inward, toward the eye.
Adie's Pupil
- Adie's pupil is caused by a parasympathetic lesion of the third cranial nerve (CN III).
Additional Eye Conditions
- Bilaterally small and irregular pupils that accommodate but do not react to light are indicative of Adie's syndrome.
- A sluggish pupillary reaction to light that is unilateral and caused by a parasympathetic lesion of CN III is likely indicative of Adie's pupil.
Eyelid Conditions in the Elderly
- The most common cause of lid turning outward in the elderly is ectropion.
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