Histology Flashcards
(8 cards)
Conduction deafness
BLOCKED sound conduction
Sensorineural deafness
Destroy nerve (SENSORY NEUROPITHELIAL)
sensory death
Corneal transplant
types:
1: penetrating keratoplasty
2: lamellar keratoplasty
3: endothelial keratoplasty
Cataract Lens
Lens: made of water + protein (crystallin) - clumps with age = cataract
Cataract causes
Metabolic:
diabetes
homocysteinuria
Congenital: syphilis herpes CMV rubella
Glaucoma
inc IOP
symptoms: heachade eye pain loss of vision halo
signs:
peripheral loss
readness
IOP inc
Cause of permanent eye damage in glaucoma
Inc in fluid = optic nerve compression
Retinal detachment
detachment:
junction of pigment epithelial layer + the rods and cons layer