Sample Questions – Pediatrics Binocular Vision and Pediatric Optometry Roger S.Crelier

Which of the following tests does not have a complete dissociation?
1. Maddox rod test
2. Cover test
3. Von Graefe prism test
4. Mallett test
Doing your vertical prism measurement, the highest risk for wrong measurements will be due to
1. phoropter measurement on high isoametropic patients
2. phoropter measurement on high anisometropic patients
3. trial frame measurement on high isoametropic patients
4. trial frame measurement on high anisometropic patients
Which of the following directions does not belong to the cardinal points of eye motility testing:
1. up and in
2. up and out
3. down and out
4. down
Which muscle of the right eye is mainly involved, if the gaze direction is downwards and inwards.
1. medial rectus rectus medialis
2. lateral recturs rectus lateralis
3. superior oblique obliquus superior
4. inferior oblique obliquus inferior
The greatest advantage of Hess/Lancaster screens is the excellent possibility to
1. measure and report any development of muscle palsy/insufficiency over a period of time
2. measure and report the angle of squint in concomitant unilateral tropia
3. measure and report the angle of squint in intermittent unilateral tropia
4. measure and report the quality of stereoscopic sensation
The classic Fixation Disparity definition says, that
1. if the patient fixates with both eyes, the fixation point will lie, at least in one eye, off centre, but within Panum’s area
2. if the patient fixates with one eye, the fixation point will lie out of the fovea centralis
3. if the patient fixates with both eyes, the fixation point will lie, at least in one eye, out of Panum’s area
4. if the patient fixates with both eyes, the fixation point will lie, in both eyes, in the exact centre of Panum’s area
The amount of measured Exo-Fixation Disparity may be read out from the forced vergence grid (for example from Sheedy measurement),
1. above the x-axis on y-intercept
2. below the x-axis on y-intercept
3. on the right of the vertical axis on x-intercept
4. on the left of the vertical axis on x-intercept
To provoke a larger eso-fixation disparity, you may prescribe
1. spherical plus lenses
2. spherical minus lenses
3. base out prism
4. VT, like fusion training
Well-centred but very steep fixation disparity curves (slope greater than 1.0), will most likely best treated by
1. visual training
2. minus lenses
3. base out prism
4. base in prism
In US-terminology , fixation disparity is indicated by
1. prism dioptres
2. minutes/seconds of arc
3. disparity in millimetre
4. Type of a curve (I to IV)
In case of a hyperopic anisometropia, which minimal refractive difference is to respect as the minimum likely to be amblyogenic?
1. 0.25 D
2. 0.75 D
3. 1.25 D
4. 2.50 D

Sample Questions – Pediatrics Binocular Vision and Pediatric Optometry Roger S.Crelier

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