Flashcards in Opthamology Deck (33):
what can cause cataracts?
how are cataracts treated?
phacoemulsification - intra ocular lens, steroid and antibiotic drops
what is glaucoma?
most common cause of blindness in western world in over 60s
raised intraocular pressure
vision field defecits
optic disc changes
treatment of glaucoma?
drops = decrease aqueous production
laser = raise aqueous drainage
surgery = raise aqueous drainage - trabeculectomy
what is ARMD?
age related macular degeneration
build up of cellular waste products under the retina - drusen, atrophy - dry, or neurovascularisation - wet
treatment of ARMD?
dietary/ vitamin/antimicrobial supplements
activated laser injected drugs
IV injections - anti VEGF drugs, arrests/regresses neovascular process
what is diabetic eye disease caused by?
1. glycaemic vessel damage
2. leakage, microaneurysms, haemorrhages
5. neovascular haemorrhage/fibrosis
what is blindness at the macula caused by?
leakage, micoaneurysms, haemorrhages
what is blindness at the retina caused by?
how to treat diabetic eye disease?
what is blepharitis?
edges of the eyelid are inflammed
what is dry eye?
eyes do not produce enough tears or tears evaporate too quickly
what is subconjunctival haemorrhage?
bleeding under the conjunctiva
what is keratitis?
inflammation of the cornea
what is acute glaucoma?
fluid pressure rises too fast
what s uveitis?
inflammation of uvea - middle part + iris
what is orbital cellulitis?
inflammation of tissues behind the orbital septum
what forms can loss of vision present in?
what is acute/painful loss of vision?
what is acute/painless loss of vision?
retinal artery occlusion
retinal venous occlusion
ischaemic optic neuropathy
what is chronic painless loss of vision?
open angle glaucoma
what is an autoimmune condition affecting the eyes and the mouth?
primary or secondary
affects salivary and lacrimal glands
gritty eyes, adic pupil
what kind of mucotaneous ulcers may be seen in the eyes and the mouth?
steven johnsen syndrome
what is Reiger syndrome?
chromosome 4 - epidermal growth factor
paraumbilical skin tag
what is Nance Horan?
what is oculo dental auricular malformation?
wide spaced/underdeveloped teeth
what is oro facial cardio dental syndrome?
what are mucopolysaccharides?
group of inherited disorders - hurlers/hunters
widespaced teeth, corneal opacity, pigmentory retinopathy, optic atrophy, macrocephaly
coarse, facial features, short stature, hypermobile joints
what is stickler syndrome?
abnormal vitreous, myopia, retinal detachment
orofacial and dental abnormalities
what is marfans?
tall thin, arachnodactyly, arm span > height
hypermobile, muscular development
high arched palate
myopia retinal detachment
what issues may UV lights cause to the eyes?
what may anesthesia cause to the eyes?
type VI/VII palsies