Sudden Painless Loss Of Vision. By Minal G. Birambole. (internee) G.A.M &R.C, Shiroda,Goa. Sudden loss of vision is alarming to both the patient and the clinician alike.
Sudden Painless Loss Of Vision
Minal G. Birambole.
Clinical Features -
Painless sudden loss of vision
treatment is unsatisfactory as retinal tissue can’t survive ischemia more than few hours.
by IV Mannitol
intermittent occular massage
paracentesis of anterior chamber
neovascular glaucoma with incidence varying from 1% to 5%.
cavernous sinus thrombosis
In early stage-
In later stage-
Refers to acute complete occlusion of central retinal vein
Characterised by marked Sudden loss of vision
in early stage-
in later stage-
Above is carried out when most of interretinal blood is absorbed.
in chronic macular odema
Usually occur from retinal vessels
Pre retinal intrageal
black shadow against the red glow in small haemorrhage.
presence of blood in vitreous cavity
it help in diagnosis.
sudden development of floaters.
sudden painless loss of vision
elevation of patients head
bilateral eye patches
management of retinal break, phlebitis, proliferative retinopathy.
by pars plana route, if haemorrhage is not absorb after 3 months.
Separation of neurosensory retina proper from the pigment epithelium.
Usually associated with retinal break
Sub retinal fluid seeps
Separate the sensory retina from pigmentary epithelium
Senile acute predisposing
Detachment degenaration aphakia
Retinal break trauma
Degenarated fluid seeps through retinal breaks
dark spot in front of the eye
eye is usually normal
an altered red reflex in pupilary area.
subnormal or absent
confirm the diagnosis
by producing aseptic chorioretinitis,
To bring the sclrochoroid & retina near to each other
Occurs due to retina being pushed sway by neoplasm or accumulation of fluid beneath the retina.
toxaemia in pregnancy
Can be differentiate from simple
Includes inflammatory & demyelinating disorder of optic nerve
Classified in to three-
It is inflammation of optic disc.
central or centroceacal scotoma.
the field defect are more marked to red colour than white
Resulting in optic atrophy & permanent blindness
Methyl alcohol metabolized very slowly,
stay longer period
Oxidised in to formic acid & formaldehyde
Degenaration of ganglion cell of retina
Presence of charecteristic odour due to excretion of formaldehyde
mild disc oedema
markedly narrowed blood vessels
bilatral optic atrophy
The eye is the lamp of the body
If your eyes are good,
Your whole body will be full of light,
Take care of your eyes.