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Recent

L21,22 Retinal Disorders, Ophthalmology

 Lecture video part 1 

Anatomy, CRVO, CRAO


Part 1 Data

Lecture video part 2 

Retinopathy 

Part 2 Data

Lecture video part 3

Retinal detachment, retinitis pigimentosa and ARMD

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Mcq

1- The nutrition of fovea is through: 
 
a- Long posterior ciliary arteries 
 b- Arterial circle of zinn 
c- Choriocapillaris 
 d- Anterior ciliary arteries 

2- The fovea contain which type of photoreceptors 
 
a- Cones mainly 
 b- Cones only 
 c- Rods mainly 
 d- Rods only 

  3- The external limiting layer is formed by the ends of 

 a- Photoreceptors 
 b- Muller fibers 
 c- RPE
  d- Bipolar cells  

 4- Cotton wool spots: 
 
a- Indicate poor venous retinal outflow 
 b- Are microinfarcts of the nerve fiber layer c- Are commonly seen in normal individual d- Are seen with retinitis pigmentosa 

 5- Dot hemorrhage can be present in 
 
a- Inner nuclear layer
  b- Inner plexiform layer
  c- Outer plexiform layer
  d- All retinal layer 

  6- Flame shaped hemorrhage is present in :

a- Nerve fiber layer 
 b- Inner plexiform layer
 c- Outer plexiform layer 
 d- All retinal layer 

 7- Macular edema is a finding in the following except: 

 a- Renal hypertension 
 b- Diabetic maculopathy
  c- CRVO
  d- CRAO 
 
8- Each of the following can be a predisposing factor for CRVO except 
 
a- Hypertension
  b- Open angle glaucoma 
 c- Hyper mature senile cataract
  d- Diabetes milieus  

9- Embolic occlusion of the main arterial supply of retina presents with 

 a- Painless diminution of vision 
 b- Sudden painful diminution of vision 
 c- Gradual painless diminution of vision 
 d- Sudden painless altitudinal field loss 

  10- The most common cause of CRAO is 
 
a- Spastic 
 b- Embolic 
 c- Increased IOP 
 d- Migraine 

 11- The patient with CRVO will need PRP if: 

 a- Angiogram demonstrates retinal non perfusion areas 
 b- Macula develops cystoid macular edema c- Iris neovascularization develops
  d- There is relative afferent pupillary defect  

 12- a diabetic patient complaining of rapid deterioration of vision over night, he suffers most probably from: 
 
a- macular exudates 
 b- tractional retinal detachment 
 c- vitreous hemorrhage
  d- macular microaneurysms 

 13- stages of diabetic retinopathy include all except: 

 a- non proliferative diabetic retinopathy
  b- diabetic maculopathy 
 c- proliferative diabetic retinopathy
  d- pre proliferative diabetic retinopathy  

 14- a hypertensive patient developed an acute attack of marked diminution of vision. On fundus examination all of the following can be found except: 
 
a- macular star 
 b- macular hole 
 c- retinal vein occlusion 
 d- retinal artery occlusion 

  15- the etiology of rhegmatogenous retinal detachment in most conditions due to: 

 a- the traction by vitreous hemorrhage 
 b- the development of retinal breaks 
c- effusion in the choroidal vessles 
 d- intra ocular tumors 

 16- risk factors for the development of rhegmatogenous retinal detachment includes all except: 
 
a- aphakia
 b- hypermetropia  
c- trauma 
 d- history of retinal detachment in the other eye

 17- retinitis pigmentosa may be associated with all of the following conditions except: 

 a- open angle glaucoma 
 b- anterior subcapsular cataract 
 c- keratoconus 
 d- high myopia 

 18- ring scotoma is a field defect observed in cases of 
 
a- retinitis pigmentosa 
 b- anterior polar cataract
  c- macular degeneration
  d- early papilledema 

Answers 

1-C
2-B
3-B
4-B
5-A
6-A
7-D
8-C
9-A
10-B
11-C
12-C
13-B
14-B
15-B
16-B
17-B
18-A


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