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2004 Series : August 24, 2004

December 28, 2004  |  December 21, 2004  |  December 14, 2004  |  December 7, 2004  |  November 30, 2004  |  November 23, 2004  |  November 16, 2004  |  November 9, 2004  |  November 2, 2004  |  October 26, 2004  |  October 19, 2004  |  October 12, 2004  |  October 5, 2004  |  September 28, 2004  |  September 21, 2004  |  September 14, 2004  |  September 7, 2004  |  August 31, 2004  |  August 24, 2004  |  August 17, 2004  |  August 10, 2004  |  August 3, 2004  |  July 27, 2004  |  July 20, 2004  |  July 13, 2004  |  July 6, 2004  |  June 29, 2004  |  June 22, 2004  |  June 15, 2004  |  June 8, 2004  |  June 1, 2004  |  May 25, 2004  |  May 18, 2004  |  May 11, 2004  |  May 4, 2004  |  April 27, 2004  |  April 20, 2004  |  April 13, 2004  |  April 6, 2004  |  March 30, 2004  |  March 23, 2004  |  March 16, 2004  |  March 9, 2004  |  March 2, 2004  |  February 24, 2004  |  February 17, 2004  |  February 10, 2004  |  February 3, 2004  |  January 27, 2004  |  January 20, 2004

To see views enlarged, click on the individual pictures...

 

 

This 13-year-old boy has a huge exotropia which has been present since birth.  Visual acuity is OD 20/400 and OS 20/20.  Refraction is OD +1.50 and OS +1.00 +0.75 x 135.  Optic atrophy is present in the right eye.  This boy habitually turns his head to the right with eyes left.

1.  The pictures showing the boy with his gaze directed in the primary position, looking right, and looking left show the largest exodeviation in:   
 

a. primary position
b. right gaze
c. left gaze
d.  they all appear equal


2.  The most likely cause for the head posture assumed by this child is:  
 

a. to avoid diplopia
b. because this position is more comfortable
c. poor vision in the right eye
d.  to avoid the visual discomfort caused by past pointing


3.  The  cause of this exodeviation is most likely:
 
a. bilateral III nerve palsy
b. response to optic atrophy in the right eye
c. co-contraction of the lateral recti
d.  not clear from the pictures shown

 

For answers to the above, click here:

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