SQUINT MCQ 1

1.  A child presents with intermittent deviation of eyes. A latent deviation that is controlled by the fusional mechanism so that the eyes remain aligned under binocular conditions is called as

A.  Tropia

B.    Phoria

C.  Manifest latent squint

D. Amblyopia

E.  Orthophoria

2.  A child present with manifest deviation before 6 months of age. Such a deviation is called as

A.    Infantile

B.  Juvenile

C.  Acquired

D. Microtropia

E.  Heterophoria

3.  A child present with spontaneous alternation of fixation from one eye to other is said to have

A.  Constant deviation

B.  Intermitent deviation

C.    Alternating deviation

D. Comitant deviation

E.  Incomitant deviation

4.  A 60 year old male presented with sudden onset of deviation of eye. The angle deviation changes  in size in different positions of gaze. Such a deviation is called

A.  Comitant

B.    Incomitant

C.  Tropia

D. Phoria

E.  Alternating

5.  There are how many extraocular muscles in eye

A.  1

B.  2

C.  3

D. 5

E.    6

6.  When the eye is directed straight ahead and the head is also straight, the eye is said to be in which position

A.   Primary

B.  Secondary

C.  Tertiary

D. Quaternary

E.  None of above

7.  Which muscle does not originate in annulus of zinn

A.  Superior rectus

B.  Inferior rectus

C.  Medial rectus

D. Lateral rectus

E.    Inferior oblique

8.  Ideal condition of perfect ocular alignment is called

A.  Exophoria

B.    Orthophoria

C.  Esophoria

D. Hyperphoria

                               e.    Hypophoria 

9.  Unilateral or, less commonly, bilateral reduction of best-corrected visual acuity (also referred to as corrected distance visual acuity) that cannot be attributed directly to the effect of any structural abnormality of the eye or visual pathways is called

A.  Microtropia

B.  Amblyopia

C.  Orthophoria

D. Stereopsis

E.  Fusion

10.  Monocular movements around the axis of fick are called

A.  Convergence

B.  Divergence

C.  ductions

D. saccades

E.  persuit