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THEO PRACTICAL OPTO

Total questions: 40

Worksheet time: 23mins

Name
Class
Date
1.

Measurement of the refractive power of the eye w/ stimulated accommodation

a)

Refractive status

b)

Static refraction

c)

Refraction

d)

Dynamic refraction

2.

A condition wherein the anterior and posterior diameter of the eye is relatively long

a)

Axial hyperopia

b)

Curvature myopia

c)

Axial myopia

3.

A condition wherein the different index of the eye are weak for its refracting surface

a)

Refractive hyperopia

b)

Curvature hyperopia

c)

refractive myopia

d)

Curvature myopia

4.

A condition wherein the opthalmometric reading is more than the normal value

a)

Refractive hyperopia

b)

Curvature hyperopia

c)

Refractive myopia

d)

Curvature myopia

5.

Ref error present if there is diff index of the refracting surface of the eye

a)

Index myopia

b)

Astigmatism

c)

Index hyperopia

d)

Myopia

6.

Amount of ref error present at birth

a)

+2.00

b)

+2.00 to +4.00

c)

-0.50Dcylx90

d)

Hyperopia

7.

Amount of physiological astigmastism

a)

-0.25Dcylx90

b)

-0.25Dcylx180

c)

-0.50Dcylx90

d)

-0.50Dcylx180

8.

Prevalent refractive error present during early maturity

a)

Amount of hyperopia

b)

Presbyopia

c)

Low amount of astigmatism

d)

Myopia

9.

These are common state of hyperopic px except:

a)

Common among negroes

b)

Common in 3rd world countries

c)

Tall and confident person

d)

School children

10.

These are present during birth except:

a)

Cornea with 43D

b)

+2.00D power of the eye

c)

17.3mm diameter

d)

VA of 20/200

11.

Normal AP Diameter of an adult eyeball

a)

17.3mm

b)

19mm

c)

21mm

d)

24mm

12.

Power of the crystalline lens with relax accommodation

a)

19D

b)

43D

c)

33D

13.

Person responsible for astigmatism

a)

Helmholtz

b)

Donders

c)

Aristotle

d)

Thomas young

14.

Ref error that is considered pathological

a)

Myopia

b)

Astigmatism

c)

Hyperopia

15.

Partial dislocation of the crystalline lens

a)

Exogenous

b)

Sublaxation

c)

Endogenous

d)

Laxation

16.

Considering the AP Diameter of the eyeball, what is the amount of refractive error if there is 22.5mm eyeball length

a)

+1.00D

b)

+1.50D

c)

+4.50D

d)

+6.00D

17.

These are causes of the pathological hyperopia except

a)

displacement of lens backward

b)

Too short ant. & post diameter

c)

Too flat cornea

d)

Aphakia

18.

These are components of total hyperopia except

a)

Manifest

b)

Latent

c)

Relative

19.

Condition wherein there is a temporary state of spasm of accommodation

a)

Total hyperopia

b)

Clonic

c)

Tonic

d)

Facultative

20.

These are component of facultative hyperopia except

a)

Absolute

b)

Latent

c)

Manifest

21.

Hyperopia which can overcome by utilizing accommodative conv. & turning 1 eye inwards

a)

Total hyperopia

b)

Manifest hyperopia

c)

Latent hyperopia

d)

Relative hyperopia

22.

A px came to clinic, during refraction the ff are the px’s response:

with +0.50 px can read 20/25

With -0.75 px can read 20/20-2

with +1.00 px can read 20/20-2

with +1.25 px can read 20/20-2

with +1.50 px can read 20/20-4

what is the best VISUAL ACUITY?

a)

20/5

b)

20/20

c)

20/20-2

d)

20/20-4

23.

These are location of headache in a hyperopic px except

a)

Occipital

b)

Temporal

c)

Brow part

24.

Displacement of crystalline lens

a)

Laxation

b)

Ectopia lentis

c)

Sublaxation

d)

Aphakia

25.

When px is aphakic, what is the amount of magnification when wearing spectacle?

a)

8%

b)

18%

c)

30%

d)

21%

26.

Solve for the estimated power of hyperopic px it his ref power is +2.00D prior to cataract surgery

a)

+12.00D

b)

+10.00D

c)

+11.00D

27.

These are signs of aphakic px except

a)

Dyscoria

b)

Tremolous iris

c)

Presence of astigmatism

d)

Diplopia

e)

Shallow AC

28.

These are correction of aphakic px except

a)

Trifocal

b)

Contact lens

c)

Intraocular tension

d)

Lenticular lens

29.

These are all true about A scan except

a)

Measures the axial distance within an intact eye

b)

Measures depth of Ant Chamber

c)

Measures depth of Vitreous Humor

d)

Measures thickness of cornea

30.

Intensity modulated ultrasonography is also called

a)

A scan

b)

B scan

c)

Biometer

31.

These are signs and symptoms of pseudomyopia except

a)

Inconsistent subjective and objective examination

b)

Abnormal VA

c)

Constricted pupil

32.

These are other term for pseudomyopia

a)

False myopia

b)

School myopia

c)

Transitory myopia

d)

Functional myopia

e)

College myopia

33.

These are other correction of pseudomyopia except

a)

Minus lens to relax accommodation

b)

Base in prism

c)

Orthoptics

d)

Near correction

34.

A 4 yr old has a VT#7 of +1.50 with symptom, the best correction is

a)

No correction

b)

+0.50D

c)

+0.75D

d)

+2.00

35.

If vt#7 of a pediatric px is +6.00Dsph=-1.00Dcylx90 what is the best rx?

a)

+3.00=-0.75x90

b)

+4.00=0.75x90

c)

+4.00=-1.00x90

d)

+3.00=-1.50x90

36.

Best correction of a 45yrs old px with hyperopia

a)

Full correction

b)

Under correction

37.

Correcrion of hyperopia with eso

a)

Full correction

b)

Undercorrection

38.

These are characteristics of convex lens except

a)

Magnifies retinal image

b)

Prism are position base to base

c)

Has against movement

d)

Corrects transitory myopia

39.

A sign of myopia in which the px narrows his palpebral aperture to see clearly

a)

Squinting

b)

Myopic crescent

c)

Staring expression

d)

Dilated pupils

40.

A condition wherein there is posterior thinning & bulging of the sclera

a)

Exophthalmos

b)

Posterior staphyloma

c)

Posterior synechia

d)

vitreous hemorrhage