OCANZ Quiz Tim – Questions With
Correct Answers
List |and |briefly |discuss |the |major |causes |of |visual |impairment |in |Australia. |List |and |briefly |
discuss |the |major |causes |of |visual |impairment |in |developing |countries. |- |CORRECT |
ANSWER✔✔-In |Australia
1.AMD |cause |of |50% |of |all |blindness-less |common |in |developing |countries |due |to |lower |life |
expectancy
2.Glaucoma- |16% |of |blindness
3.Cataract-11% |of |blindness
3. |Diabetic |retinopathy |(+ |other= |20%)- |Most |common |cause |of |visual |impairment |in |working |
age |population
4. |3% |uncorrected |refractive |error
Developing |countries |-uncorrected |refractive |errors, |cataract- |unavailable |surgery, |trachoma- |
river |water |parasite, |glaucoma
A |teenage |male |attends |your |practice |because |he |knows |he |is |colour |defective |and |he |has |
been |told |that |there |are |some |professions |where |restrictions |are |placed |on |those |with |a |
colour |vision |problem. |What |advice |would |you |give |this |patient? |- |CORRECT |ANSWER✔✔-
Careers |with |strict |restrictions: |ARMED |SERVICES
POLICE
AIR |TRAFFIC |CONTROLER
FIRE |SERVICES
Also |have |restrictions |but |candidate |can |work |within |some |divisions: |COMMERCIAL |PILOT
MARINE |and |MARINE |PILOT |etc;
,TRAIN |DRIVER
ELECTRICIAL |ENGINERING |
ELECTRICAL |TRADES
COMMERCIAL |ARTIST, |HOSPITAL |LABORATORY |TECHNICIANS
PROFFESSIONAL |TRANSPORT |DRIVER- |don't |accept |protanomaly- |do |accepy |deuteranomoly
Indicate |the |review |cycle |you |would |recommend |for |the |following |patients |including |your |
rationale |behind |the |review |cycle |suggested
a) |a |patient |with |mild |background |retinopathy |annual |review |- |CORRECT |ANSWER✔✔-annual |
review
Indicate |the |review |cycle |you |would |recommend |for |the |following |patients |including |your |
rationale |behind |the |review |cycle |suggested
a |patient |from |whom |you |have |just |removed |a |superficial |corneal |foreign |body |- |CORRECT |
ANSWER✔✔-1/52 |to |check |for |signs |of |infection/inflammation |and |healing |process
Indicate |the |review |cycle |you |would |recommend |for |the |following |patients |including |your |
rationale |behind |the |review |cycle |suggested
A |patient |with |a |branch |retinal |vein |occlusion |- |CORRECT |ANSWER✔✔-3/12 |review- |check |for
|'90-day |glaucoma' |rubeosis |iridis/neovascularistion |and |macular |oedema
Indicate |the |review |cycle |you |would |recommend |for |the |following |patients |including |your |
rationale |behind |the |review |cycle |suggested
,a |6 |year |old |child |with |hypermetropia |and |an |alternating |esotropia |wear |full |cycloplegic |rx |- |
CORRECT |ANSWER✔✔-review |in |6 |months |if |no |amblyopia
Indicate |the |review |cycle |you |would |recommend |for |the |following |patients |including |your |
rationale |behind |the |review |cycle |suggested
a |patient |with |optic |nerve |head |drusen |- |CORRECT |ANSWER✔✔-3 |years |with |medicare?
Discuss |the |indications |for |gonioscopic |assessment |of |a |patients' |anterior |chamber |angle. |
Describe |the |structures |you |will |see |if |the |angle |is |open. |(Open |to |closed) |- |CORRECT |
ANSWER✔✔-increased |IOPs, |CAG |symptoms, |retinal |vein/artery |occlusions, |
pseudoexfoliation/PDS, |pxs |with |glaucoma, |anterior |uveitis |pxs |with |inc. |IOPs, |before |dilation |
if |van |herick |< |grade |2
ciliary |body, |scleral |spur, |Anterior/ |posterior |trabecular |meshwork, |schwalbes |line,
Central |visual |field |testing |has |an |important |role |in |the |diagnosis |of |glaucoma.
What |type |of |central |field |test |would |you |use |for |a |patient |who |was |a |glaucoma |suspect?
How |would |you |determine |whether |the |test |was |reliable?
What |information |would |you |concentrate |on |in |the |printout |to |help |decide |as |to |whether |the |
patient |had |glaucoma? |- |CORRECT |ANSWER✔✔-Humphreys |visual |field |analyser- |c24-2 |full |
threshold
Fixation |losses |<20%
False |positives |<33%
False |negatives |< |33%
Glaucoma |hemifield |test, |total |deviation, |pattern |deviation |type |of |loss |present- |paracentral, |
arcuate, |nasal |step, |generalised |depression, |temporal |wedge
, Discuss |the |ophthalmic |drugs |most |commonly |used |for |dilation. |Include |in |your |answer |their |
mode |of |action, |duration |and |side |effects. |What |patients |should |not |be |dilated? |- |CORRECT |
ANSWER✔✔-Tropicamide |1%< |anticholinergic, |4-6 |hours |risk |of |CAG, |blurred |
vision,photophobia
Cylopentalate |1%< |anticholinergic |- |12-24hours |risk |of |CAG, |blurred |vision,photophobia
Atropine |1%<
Homatropine |2%<
Pxs |with |iris |fixed |IOLs |or |pxs |at |risk |of |angle |closure, |pxs |with |known |allergies |to |mydriatic |
agents, |downs |syndrome |pxs?
Define |stereopsis. |How |would |you |measure |stereopsis? |What |are |normal |values? |- |CORRECT |
ANSWER✔✔-the |perception |of |depth |produced |by |the |reception |in |the |brain |of |visual |stimuli |
from |both |eyes |in |combination, |combining |areas |in |panums |fusional |area.
TNO |dependent |on |age
5 |years, |140 |seconds: |
5 |1/2 |years, |100 |seconds; |
6 |years, |80 |seconds; |
7 |years, |60 |seconds; |
9 |years, |40 |seconds.
Correct Answers
List |and |briefly |discuss |the |major |causes |of |visual |impairment |in |Australia. |List |and |briefly |
discuss |the |major |causes |of |visual |impairment |in |developing |countries. |- |CORRECT |
ANSWER✔✔-In |Australia
1.AMD |cause |of |50% |of |all |blindness-less |common |in |developing |countries |due |to |lower |life |
expectancy
2.Glaucoma- |16% |of |blindness
3.Cataract-11% |of |blindness
3. |Diabetic |retinopathy |(+ |other= |20%)- |Most |common |cause |of |visual |impairment |in |working |
age |population
4. |3% |uncorrected |refractive |error
Developing |countries |-uncorrected |refractive |errors, |cataract- |unavailable |surgery, |trachoma- |
river |water |parasite, |glaucoma
A |teenage |male |attends |your |practice |because |he |knows |he |is |colour |defective |and |he |has |
been |told |that |there |are |some |professions |where |restrictions |are |placed |on |those |with |a |
colour |vision |problem. |What |advice |would |you |give |this |patient? |- |CORRECT |ANSWER✔✔-
Careers |with |strict |restrictions: |ARMED |SERVICES
POLICE
AIR |TRAFFIC |CONTROLER
FIRE |SERVICES
Also |have |restrictions |but |candidate |can |work |within |some |divisions: |COMMERCIAL |PILOT
MARINE |and |MARINE |PILOT |etc;
,TRAIN |DRIVER
ELECTRICIAL |ENGINERING |
ELECTRICAL |TRADES
COMMERCIAL |ARTIST, |HOSPITAL |LABORATORY |TECHNICIANS
PROFFESSIONAL |TRANSPORT |DRIVER- |don't |accept |protanomaly- |do |accepy |deuteranomoly
Indicate |the |review |cycle |you |would |recommend |for |the |following |patients |including |your |
rationale |behind |the |review |cycle |suggested
a) |a |patient |with |mild |background |retinopathy |annual |review |- |CORRECT |ANSWER✔✔-annual |
review
Indicate |the |review |cycle |you |would |recommend |for |the |following |patients |including |your |
rationale |behind |the |review |cycle |suggested
a |patient |from |whom |you |have |just |removed |a |superficial |corneal |foreign |body |- |CORRECT |
ANSWER✔✔-1/52 |to |check |for |signs |of |infection/inflammation |and |healing |process
Indicate |the |review |cycle |you |would |recommend |for |the |following |patients |including |your |
rationale |behind |the |review |cycle |suggested
A |patient |with |a |branch |retinal |vein |occlusion |- |CORRECT |ANSWER✔✔-3/12 |review- |check |for
|'90-day |glaucoma' |rubeosis |iridis/neovascularistion |and |macular |oedema
Indicate |the |review |cycle |you |would |recommend |for |the |following |patients |including |your |
rationale |behind |the |review |cycle |suggested
,a |6 |year |old |child |with |hypermetropia |and |an |alternating |esotropia |wear |full |cycloplegic |rx |- |
CORRECT |ANSWER✔✔-review |in |6 |months |if |no |amblyopia
Indicate |the |review |cycle |you |would |recommend |for |the |following |patients |including |your |
rationale |behind |the |review |cycle |suggested
a |patient |with |optic |nerve |head |drusen |- |CORRECT |ANSWER✔✔-3 |years |with |medicare?
Discuss |the |indications |for |gonioscopic |assessment |of |a |patients' |anterior |chamber |angle. |
Describe |the |structures |you |will |see |if |the |angle |is |open. |(Open |to |closed) |- |CORRECT |
ANSWER✔✔-increased |IOPs, |CAG |symptoms, |retinal |vein/artery |occlusions, |
pseudoexfoliation/PDS, |pxs |with |glaucoma, |anterior |uveitis |pxs |with |inc. |IOPs, |before |dilation |
if |van |herick |< |grade |2
ciliary |body, |scleral |spur, |Anterior/ |posterior |trabecular |meshwork, |schwalbes |line,
Central |visual |field |testing |has |an |important |role |in |the |diagnosis |of |glaucoma.
What |type |of |central |field |test |would |you |use |for |a |patient |who |was |a |glaucoma |suspect?
How |would |you |determine |whether |the |test |was |reliable?
What |information |would |you |concentrate |on |in |the |printout |to |help |decide |as |to |whether |the |
patient |had |glaucoma? |- |CORRECT |ANSWER✔✔-Humphreys |visual |field |analyser- |c24-2 |full |
threshold
Fixation |losses |<20%
False |positives |<33%
False |negatives |< |33%
Glaucoma |hemifield |test, |total |deviation, |pattern |deviation |type |of |loss |present- |paracentral, |
arcuate, |nasal |step, |generalised |depression, |temporal |wedge
, Discuss |the |ophthalmic |drugs |most |commonly |used |for |dilation. |Include |in |your |answer |their |
mode |of |action, |duration |and |side |effects. |What |patients |should |not |be |dilated? |- |CORRECT |
ANSWER✔✔-Tropicamide |1%< |anticholinergic, |4-6 |hours |risk |of |CAG, |blurred |
vision,photophobia
Cylopentalate |1%< |anticholinergic |- |12-24hours |risk |of |CAG, |blurred |vision,photophobia
Atropine |1%<
Homatropine |2%<
Pxs |with |iris |fixed |IOLs |or |pxs |at |risk |of |angle |closure, |pxs |with |known |allergies |to |mydriatic |
agents, |downs |syndrome |pxs?
Define |stereopsis. |How |would |you |measure |stereopsis? |What |are |normal |values? |- |CORRECT |
ANSWER✔✔-the |perception |of |depth |produced |by |the |reception |in |the |brain |of |visual |stimuli |
from |both |eyes |in |combination, |combining |areas |in |panums |fusional |area.
TNO |dependent |on |age
5 |years, |140 |seconds: |
5 |1/2 |years, |100 |seconds; |
6 |years, |80 |seconds; |
7 |years, |60 |seconds; |
9 |years, |40 |seconds.
