Answers (Latest 2024 – 2025)
Whenslightsissrefractionsbysasprismsitsis:
a.sBentstowardsthesapex
b,sBentstowardsthesbase
c.sNotsbent
d.sReflecteds-sB.sBentstowardsthesbase
Asprismsalwayssbendsslightstowardsitssbase.
Prisms:
I.sAlwayssbendslightstowardsthesbase
II.sAlwayssbendslightstowardsthesapex
III.sCauseschromaticsDispersions
IV.sMovesthesimagestowardsthesapex
V.sAressometimessprescribedsforsmusclesproblemss-sI.sAlwayssbendslightstowardsbase
III.sCauseschromaticsdispersion.s
IV.sMovesthesimagestowardsthesapex.
V.saressometimessprescribedsforsmusclesproblems
Plusslensessare:
I.saresthickersinsthescentersthansatsthesedges
II.sAresusedstoscorrectsmyopia
III.sAresusedsbysallspresbyopes
IV.sMustsbessurfacedsindividuallysinstheslaboratorys-
sI.sAresthickersinsthescentersthansatsthesedges.
Whichsofsthesfollowingsdoessnotsdescribesasminusslens
a,sThesimagesmovesswithsmotion
b.sThickersatsthesedgesthansinsthescenter
c.sMagnifiessthesimage
d.sCorrectssforsmyopias-sc.sAsminusslenssminifies,snotsmaginfies
Thespartssofstheseyesthatsrefractslightsare:
a.sCornea,sAqueousshumor,slenssandsvitreousshumor
b.sCornea,sIris,sandslens
c.Retina,schoriod,slens,sandsaqueousshumor
d.scornea,slens,sandspupils-sA.sCornea,sAqueousshumor,slenssandsvitreousshumor.
Wheresthessclerasandsthescorneasmeetsisscalledsthes
a.sIris
b.sLimbus
c.sOrasserrata
d.sconjunctivas-sB.sLimbus
, Ascataractsis:
a.sAsfilmsoverstheseye
b.sascloudinesssofsthescrystallineslens
c.sremovalsofsthescrystallineslens
d.sansinternalsptergiums-sb.sAscloudinesssofsthescrystallineslens
Ascataractsmaysalsosbesreferredstosassopacificationsofstheslens.sremovalsorsabsencesofsthescry
stallineslenssissaphakia
Nearsvisualsacuitysissoftensabbreviatedsas:
a.s20/40
b.s10/10
c.sN.s15
d.sJ.2s-sD.sJ.2s
Distancesvisualsacuitysusuallyshasstwosnumbers.sItsissascomparisonsofsthesdistancesaspatientsi
ssfromsthestargetstoswhatsansaveragespersonscansseesatsthatsdistance.sOnesofsthesmostscomm
onstestssforsvisualsacuitysissthesJaegerstestsCard.sThesresultssaressignifiedsbystheslettersJswiths
asnumber.
Myopiascansbesattributedsto
a.sLosssofsaccommodation.s
bsasshortersthansnormalseyeball
c.saslongersthansnormalseyeball
d.sastigmatisms-sC.saslongersthansnormalseyeball
Myopiasissasconditionsofsdistancesvision.sItsisscausedsbysthesrefractingssystemsofstheseyeshavi
ngstoosmuchsplusspowersforslength,sorstheseyesbeingstooslongsforsitsspower.
Eyeglassesscansrelievesorscorrectsallsofsthesfollowingsconditionssexcept:
a.sAsscotoma
b.sPresbyopia
c.sSimplesastigmatism
d.sMixedsastigmatisms-sa.sAsscotomas
Asscotomasissas"blindsspot"sofsthesretina.snosglassesscanscorrectsit.
Thesconditionsknownsasssecondssightsissoftensassociatedswith:
a.sincreasesinsaccommodation
b.sincipientscataract
c.socularsrejuvenation
d.ssurgerys-sb.sIncipientscataract.
Somespresbyopessfindstheysnoslongersneedsglassesstosread.sThisssoscalleds"Secondssight"sissu
suallyscausedsbysansincreasesinsmyopiasduestosswellingsofsthescrystallineslensscausedsbysasde
velopingscataract.
Asaphakicspatientsissmoressensitivestoslightsbecause
a.sthesfilteringsactionsofsthescrystallineslenssissnoslongerspresent
b.scataractssurgerysoftensresultssinsptosiss