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Opthal > Glaucoma > Flashcards

Glaucoma Flashcards

1
Q

Max aquous formation by?

A

Secretion

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2
Q

Rate of aquous formation?

A

2.3 microlitr/min

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3
Q

Hypersecreting glaucoma

A

Epidemic dropsy

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4
Q

OAG»ACG

A

9:1

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5
Q

Buphthalmos, Large cornea, Haabs striae, iridodonesis, cupping of disc in?

A

Congenital glaucoma

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6
Q

1st feature of cong glaucoma

A

Watering

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7
Q

Management of choice o cong glaucoma?

Managemnt if cornea hazy?

A

Goniotomy

Trabeculotomy

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8
Q

Normal CD ratio?

A

<= 0.3

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9
Q

1st damage in glaucoma?

A

Arcuate fibres

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10
Q

1st scotoma appear in?

A

Bjerrums area- central/paracentral scotoma

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11
Q

Risk factor of POAG

A

Age>40
Positive family histry
High myopia (>6D)
DM

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12
Q

Normal IOP?

Notmal diurnal variation?

A

10-21mmHg

Upto 5mmHg

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13
Q

Indentation tonometer?

A

Schiotz tonometer

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14
Q

Fixed force applanation tonometer

A

Maklakov

Barraquer

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15
Q

Variable force tonometer based on?

A

Imbert fick law

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16
Q

Most reliable tonometer

A

Goldmann tonometer

17
Q

Tonometer for irregular and scarred cornea?

A

Tonopen

Mc Kay marg

18
Q

Noncontact applanation tonometer?

A

Pulse air

Air puff

19
Q

Applanation tonometer for self measurement?

A

Rebound tonometer

20
Q

Tonometer more reliable than goldman?

A

Pascals DCT

21
Q

Fundus change in POAG

A

Laminar dot sign
Nasal shifting of vessels
Bionetting sign

22
Q

Ideal method for fundus examination?

A

Slit lamp biomicroscopy

23
Q

Contact lense for slit lamp examination

A

Goldmann three mirror lense

24
Q

-ve non contact lense for slit lamp examination

A

Hruby lense(-58.6D)

25
Q

Best lense for slit lamp examination

A

+90 noncontact lense

26
Q 
Visual field defects:
Temporal
Inferior
Nasal
Superior
A

100/9
70
60
50

27
Q

Blind spot located between?

A

10-20^ isoptre

28
Q

Visual field stay last in POAG

A

Temporal island of vision

29
Q

Bjerrums screen?

A

Central kinetic perimetry

30
Q

Listers perimeter?

A

Peripheral kinetic perimetry

31
Q

Max angle closure occurs in PACG?

A

Mid dilated pupil

Opthal (4 decks)

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