WorksheetsTHEO PRACTICAL OPTO
Total questions: 40
Worksheet time: 23mins
Measurement of the refractive power of the eye w/ stimulated accommodation
Refractive status
Static refraction
Refraction
Dynamic refraction
A condition wherein the anterior and posterior diameter of the eye is relatively long
Axial hyperopia
Curvature myopia
Axial myopia
A condition wherein the different index of the eye are weak for its refracting surface
Refractive hyperopia
Curvature hyperopia
refractive myopia
Curvature myopia
A condition wherein the opthalmometric reading is more than the normal value
Refractive hyperopia
Curvature hyperopia
Refractive myopia
Curvature myopia
Ref error present if there is diff index of the refracting surface of the eye
Index myopia
Astigmatism
Index hyperopia
Myopia
Amount of ref error present at birth
+2.00
+2.00 to +4.00
-0.50Dcylx90
Hyperopia
Amount of physiological astigmastism
-0.25Dcylx90
-0.25Dcylx180
-0.50Dcylx90
-0.50Dcylx180
Prevalent refractive error present during early maturity
Amount of hyperopia
Presbyopia
Low amount of astigmatism
Myopia
These are common state of hyperopic px except:
Common among negroes
Common in 3rd world countries
Tall and confident person
School children
These are present during birth except:
Cornea with 43D
+2.00D power of the eye
17.3mm diameter
VA of 20/200
Normal AP Diameter of an adult eyeball
17.3mm
19mm
21mm
24mm
Power of the crystalline lens with relax accommodation
19D
43D
33D
Person responsible for astigmatism
Helmholtz
Donders
Aristotle
Thomas young
Ref error that is considered pathological
Myopia
Astigmatism
Hyperopia
Partial dislocation of the crystalline lens
Exogenous
Sublaxation
Endogenous
Laxation
Considering the AP Diameter of the eyeball, what is the amount of refractive error if there is 22.5mm eyeball length
+1.00D
+1.50D
+4.50D
+6.00D
These are causes of the pathological hyperopia except
displacement of lens backward
Too short ant. & post diameter
Too flat cornea
Aphakia
These are components of total hyperopia except
Manifest
Latent
Relative
Condition wherein there is a temporary state of spasm of accommodation
Total hyperopia
Clonic
Tonic
Facultative
These are component of facultative hyperopia except
Absolute
Latent
Manifest
Hyperopia which can overcome by utilizing accommodative conv. & turning 1 eye inwards
Total hyperopia
Manifest hyperopia
Latent hyperopia
Relative hyperopia
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?
20/5
20/20
20/20-2
20/20-4
These are location of headache in a hyperopic px except
Occipital
Temporal
Brow part
Displacement of crystalline lens
Laxation
Ectopia lentis
Sublaxation
Aphakia
When px is aphakic, what is the amount of magnification when wearing spectacle?
8%
18%
30%
21%
Solve for the estimated power of hyperopic px it his ref power is +2.00D prior to cataract surgery
+12.00D
+10.00D
+11.00D
These are signs of aphakic px except
Dyscoria
Tremolous iris
Presence of astigmatism
Diplopia
Shallow AC
These are correction of aphakic px except
Trifocal
Contact lens
Intraocular tension
Lenticular lens
These are all true about A scan except
Measures the axial distance within an intact eye
Measures depth of Ant Chamber
Measures depth of Vitreous Humor
Measures thickness of cornea
Intensity modulated ultrasonography is also called
A scan
B scan
Biometer
These are signs and symptoms of pseudomyopia except
Inconsistent subjective and objective examination
Abnormal VA
Constricted pupil
These are other term for pseudomyopia
False myopia
School myopia
Transitory myopia
Functional myopia
College myopia
These are other correction of pseudomyopia except
Minus lens to relax accommodation
Base in prism
Orthoptics
Near correction
A 4 yr old has a VT#7 of +1.50 with symptom, the best correction is
No correction
+0.50D
+0.75D
+2.00
If vt#7 of a pediatric px is +6.00Dsph=-1.00Dcylx90 what is the best rx?
+3.00=-0.75x90
+4.00=0.75x90
+4.00=-1.00x90
+3.00=-1.50x90
Best correction of a 45yrs old px with hyperopia
Full correction
Under correction
Correcrion of hyperopia with eso
Full correction
Undercorrection
These are characteristics of convex lens except
Magnifies retinal image
Prism are position base to base
Has against movement
Corrects transitory myopia
A sign of myopia in which the px narrows his palpebral aperture to see clearly
Squinting
Myopic crescent
Staring expression
Dilated pupils
A condition wherein there is posterior thinning & bulging of the sclera
Exophthalmos
Posterior staphyloma
Posterior synechia
vitreous hemorrhage
