This case study describes an 8-year-old female patient presenting with Duane syndrome in her left eye. Examination found limited abduction and adduction of the left eye with upshoot on adduction. The patient was diagnosed with Duane syndrome type 2 in the left eye along with alternating decompensated exophoria and hyperopic astigmatism. She was prescribed glasses and part-time occlusion therapy for the left eye, and showed improved vision and eye alignment after 6 months of follow up.

1. Duane syndrome
Case study
Manal Al-Romeih

2. History:
8 yrs old female
Healthy, full term ,no history of squint.
First visit:
VA sc 20/30 20/30
CT sc
Near Alt decompensating exophoria 12 PD
Dist. Ortho

3. EOM:

4. EOM:
OD: Full
OS:
•limited abduction - grade 3 (no movement)
•limited adduction- grade 1 (very little inhibition)
•upshoot (os) on attempted adduction
•narrowing of the palpebral fissure on attempted
adduction & widening with abduction.
A pattern

5. Retinoscopy:
+3.50 – 1.50 x 180
+2.50 – 1.00 x 25
PMT:
+0.50 – 1.00 x 05 20/25
+0.50 – 1.00 x20 20/20-1

6. Diagnosis:
Duane syndrome – type 2 (left eye)
Alternating decompensated exophoria
Hyperopic astigmatism
Management:
Rx were given.
PTO (OS) 6 hrs/day
F/Up 3/12
After 6 months:
VA cc 20/20 20/20
CT cc ortho D & N

7. Thank you