Trauma Flashcards
what is a corneal abrasion?
epithelial breach due to trauma or disease
symptoms of a corneal abrasion?
pain
photophobia
pupil spasm
headache
investigations for corneal abrasion?
fluorescin drops
treatment for a corneal abrasion?
chloramphenicol ointment
what is a vitreous haemorrhage?
haemorrhage into the vitreous cavity
causes of vitreous haemorrhage?
bleeding from normal/abnormal vessels (diabetic retinopathy)
symptoms of vitreous haemorrhage?
loss of vision
vitreous floaters
signs of vitreous haemorrhage?
loss of red reflex
treatment of vitreous haemorrhage?
can spontaneously be absorbed
if non resolving, vitrectomy
how does retinal detachment occur?
holes in the retina allow fluid to separate the sensory retina from the retinal pigment epithelium
symptoms of retinal detachment?
painless floaters flashes field loss fall in acuity like a curtain coming down
treatment for retinal detachment?
vitrectomy and gas tamponade
what are fluorescin drops used for?
to identify areas of epithelium loss
what does the teardrop sign show? when does it occur?
herniation of oribital contents inferiorly
blowout #
when tethering of rectus sheath occurs, what can’t the patient do?
look up
