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Unusual cause for V pattern XT - The Private Eye Clinic

Unusual cause for V pattern XT - The Private Eye Clinic

Unusual cause for V pattern XT - The Private Eye Clinic

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O/E: Be<strong>for</strong>e the 2nd Sx in 2011<br />

• C-T (cc)<br />

C-T: N: X‟ 35pd, minimal fusion reserve<br />

D: X(T) 30<br />

25<br />

20<br />

“V” Pattern intermittent exotropia<br />

Full correction with prism did not <strong>cause</strong> diplopia<br />

Overcorrection with prism did <strong>cause</strong> diplopia [patient had<br />

never been ET there<strong>for</strong>e had no sensory wiring to cope with<br />

being ET unlike a pt with consec <strong>XT</strong>]

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