DETAILED CORRECT ANSWERS
Assessment cof cthe cquality cof cthe cperipheral ccurves c(blends cof ca crigid ccontact clens) cis
cachieved cby cthe cuse cof cthe-
a. cprofile canalyzer
b. cshadow cgraph
c. ckeratometer
d. cburton clight c- ccorrect canswers✔✔a. cprofile canalyzer
Contact clens cpower cshould cbe cspecified cin-
a. cback cvertex cpower
b. csphero-cylinder cpower
c. cpower cin csitu
d. cposterier capical cradius c- ccorrect canswers✔✔a. cback cvertex cpower
The cslit-lamp cillumination cthat cgives can coverall cview cof cthe ccornea cbut climits cdetail cis-
a. csclerotic cscatter
b. cdiffuse
c. cspecular creflection
d. coscilatory c- ccorrect canswers✔✔b. cdiffuse
When ca ckeratometric cmiers creflected coff ca csoft ccontact clens care conly cclear cwhen cthe
cwearer cblinks, cthe clens cfit cis ctoo-
a. csmall
b. clarge
c. csteep
d. cflat c- ccorrect canswers✔✔c. csteep
Transient ckeratometric cmier cdistortion cis cusually cdue cto-
a. cpre-ocular ctear cfilm cabnormalities
b. cprolonged crigid clens cwear
c. cprolonged csoft clens cwear
d. cirregular ccorneal castigmatism c- ccorrect canswers✔✔a. cpre-ocular ctear cfilm
cabnormalities
Epithelial cedema cwhich cmanifests citself cclinically cas ccentral ccorneal chaze, cis cverified cby
cthe cslit clamp cusing csclerotic cscatter cillumination. cWhat cspecific ctechnique cdoes cthe
cexaminer cuse cto csee cthis ccondition?
a. cthe cnaked ceye cand can cangle cbetween cthe cslit clamp cbeam cand cthe ceye cof c90˚
b. cthe cblue ccobalt cfilter cof cthe cslit clamp cand can cangle cof cabout c45˚
c. cthe cgreen cfilter cof cthe cslit clamp cwith chigh cmagnification
,d. chigh cmagnification cand can cangle cbetween cthe cbeam cand cscope cof c180˚ c- ccorrect
canswers✔✔a. cthe cnaked ceye cand can cangle cbetween cthe cslit clamp cbeam cand cthe ceye cof
c90˚
With ca crigid ccontact clens cin cplace ca cflourescein cpattern cshows ca cnarrow cbend
chorizontally cwih ca cconcentration cof cflourescein cinferiorly cand csuperiorly cunder cthe clens.
cWhich cone cof cthe cfollowing ctype cof castigmatism cis crepresented cby cthis cpattern?
a. clenticular castigmatism
b. cresidual castigmatism
c. cagainst cthe crule castigmatism
d. cwith cthe crule castigmatism c- ccorrect canswers✔✔d. cwith cthe crule castigmatism
Refractive cRx c-3.00 c-1.00 cx c170
K's c42.00 c@ c170/43.00 c@ c80
Given cthe cabove cRx cand cK's che cfollowing cdiagnostic ctoric csoft clens cwas cused:
B.C. c8.8
Power c-3.00 c-1.00 cx c180
During cdianostic cevalutation, cthe cabove clens crotated c10 cclockwise. cThe clens cordered
cshould chave can caxis cof:
a. c10
b. c180
c. c170
d. c160 c- ccorrect canswers✔✔b. c180
Given cthe csame ccircumstances cfrom cthe cabove cquestion, conce cthe ccorrectly cordered
clens chas cbeen cdispensed, cthe crotational cmarks cshould csettle cat c_______.
a. c6 co cclock
b. c10 cclockwise crotation
c. c10 ccounter cclockwise crotation
d. cnone cof cthe cabove c- ccorrect canswers✔✔b. c10 cclockwise crotation
An cinstrument cthat callows csimultaneous cverification cof clens cdiameter, coptic czone cwidth,
cand cperipheral ccurve cwidth cis:
a. cmeasuring cmagnifier
b. cophthalmometer
c. cprofile canalyzer
d. cradiuscope c- ccorrect canswers✔✔a. cmeasuring cmagnifier
(the cbook csays cd. cradiuscope)
The cinstrument cused cfor cmagnification cof cthe cedge cof ca crigid cCL cis ca c_______.
a. cradiuscope
b. cshadowgraph
c. cprofile canalysis
d. ckeratometer c- ccorrect canswers✔✔b. cshadowgraph
, Mary cis cwearing cin cher cright ceye cRGP clens cwith ca cbase ccurve cof c43.50 cand ca cpower cof
c+2.75. cThe cdoctor crefracts c-0.75 csphere cover cthis clens. cIf cyou cwish cto corder cher ca cnew
clens cwith ca ccurve cof c43.00, cwhat cwill cthe cnew cpower cbe?
a. c+1.50
b. c+2.00
c. c+2.50
d. c+3.00 c- ccorrect canswers✔✔c. c+250
Which cof cthe cfollowing ccould cbe cconsidered cin cthe cfitting cof ca ckeratoconus cpatient
1. caspheric
2. cMcGuire
3. cSoper
4. ctangent cstreak
a. c1 c& c2
b. c2 c& c3
c. c3 c& c4
d. c1, c2 cand c3 c- ccorrect canswers✔✔d. c1, c2 cand c3
Two cdesigns chelpful cin corienting chigh criding cmyopic clenses care:
1. cflattening cthe cB.C. crelationship
2. cmyo-flang c
3. chyper-flang
4. cprism cballast
a. c1 c& c2
b. c1 c& c3
c. c2 c& c3
d. c3 c& c4 c- ccorrect canswers✔✔d. c3 c& c4
Age/related csigns cof cpresbyopia cinclude:
1. ctear cfilm cabnormalities
2. creduce clid celasticity
3. clens copacities
4. cpupil cconstriction
a. c1 conly
b. c1 c& c3
c. c2 c& c4
d. call cof cthe cabove c- ccorrect canswers✔✔d. call cof cthe cabove
A cgood cexample cof ca cbifocal ccontact clens cwhich cmay crotate cwithout cvision cimparement
cis:
a. caspheric
b. cexecutive
c. cfused ccrescent