Binocular visual function could be examined by( )
A. Synoptophore
B. Forced duction testing
Cover-uncover test
D. Worth four-dot target
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Visual phenomena in strabismus includes( ).
A. Diplopia (double vision)
B. Visual confusion
C. Abnormal retinal correspondence
D. Suppression
Which of the following items about prism are true?( )
A. Prisms are used to quantify the amount of deviation.
B. The prism diopteris defined as the strength of prism necessary to deflect a light beam 1 cm at 1m distance
C. The prism is hold in front of the eye with base in for an esotropic patient
D. The sum prism strength is much greater than the sum of the individual prism strengths
Which of the following items about Hirschberg method are true?( )
A. Corneal light reflex tests take into account the angle ĸ
B. A light reflection at the pupillary border signifies a 15° or 30Δ deviation
C. A light reflection at the mid-iris signifies a deviation of a 30° or 60Δdeviation
D. A light reflection at the limbus signifies a deviation of a 45° or 90Δdeviation
According to direction of deviation, strabismus can be classified into( )
A. Esotropia & exotropia
B. Hypertropia & hypotropia
C. Incyclotropia & excyclotropia
D. Protopsis & enophthalmos
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