Tropical Eye disease Flashcards
1
Q
Aetiology of trachoma
A
Chlamydia trachomatis → spread by flies
Inflammatory reaction → scarring → lid distortion → entropion → eyelashes scratch cornea → ulceration → blindness
2
Q
Management for trachoma
A
Tetracycline
3
Q
Aetiology of onchocerciasis
A
AKA river blindness
Microfilariae of nematode Onchocerca volvulus → spread by flies
Fly bites → microfilariae infection → invades the eye → inflammation → fibrosis → corneal opacities and synechiae
4
Q
Management for onchocerciasis
A
Ivermectin
5
Q
Aetiology of xerophthalmia and
keratomalacia
A
Vitamin A deficiency
6
Q
Symptoms and signs of xerophthalmia and
keratomalacia
A
Nigh blindness
Dry conjunctiva
Corneal ulceration/perforation
7
Q
Management for xerophthalmia and
keratomalacia
A
Vitamin A
