the retina Flashcards

1
Q

Poliferative Diabetic Retinopathy clinical signs

A
  • neovascularization

- vitreous heamorrhage and traction

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2
Q

symptoms of a vitreous haemorrhage

A
  • floaters
  • severe visual loss
  • requires immediate opthalmologic

read slide

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3
Q

what is this

A

vitreous haemorrhage

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4
Q

what is this

A

severe PDR

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5
Q

what is this

A

diabetic macular oedema

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6
Q

treatment for diabetic retinopathy

A
  • laser photocoagulation surgery

- vitrectomy

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7
Q

what is pathologic myopia

A

axial length >= 26mm

spherical equivalent <= -8.00D

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8
Q

what is a hole in the retina caused by

A

chronic retinal atrophy

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9
Q

what is a retinal tear usually caused by

A

dynamic vitreoretinal traction

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10
Q

what causes retinal detachment

A

separation of sensory retina from RPE by subretinal fluid

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11
Q

what does rhematogenous mean

A

a retinal detachement caused by a retinal breal

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12
Q

what does rhematogenous mean

A

a retinal detachement caused by a retinal breal

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13
Q

pathogenesis of rhegmatogenous RD

A

-acute posterior vitreous detachment

0predisposing peripheral retinal degeneration

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14
Q

causes of exudative RD

A
  • tumours
  • inflammation
  • systemic
  • iatrogenic
  • miscellaneous
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15
Q

who gets central serous chorio-retinopathy

A

healthy male

-30-50yrs

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16
Q

what does metamorphopsia indicate

A

macular disease