Capsular tension segment in a case of microspherophakia.

BACKGROUND

A child with microspherophakia is described who was managed with scleral fixation of the loose capsular bag using Ahmed capsular tension segment and the small capsular bag was expanded using a standard capsular tension ring.

METHODS

The child presented initially with lenticular myopia and concomitant glaucoma for which he was treated with peripheral iridotomy alone. The IOP remained uncontrolled after iridotomy procedure. Therefore, bimanual clear lens aspiration was performed; standard capsular tension ring was implanted 'in the bag' and Ahmed capsular tension segment was sutured to the sclera to stabilize the capsular complex. Foldable acrylic IOL was then injected into the bag.

RESULTS

Postoperatively, the child had an unaided acuity of 20/30 on ETDRS. The IOL was centered well and the capsular bag had expanded due to the effect of CTR.

CONCLUSIONS

This 'dual support' technique takes advantage of using both CTR and CTS to overcome the generalized zonulopathy found in cases of microspherophakia. It effectively counteracts lenticular myopia, treats glaucoma, strengthens the capsular bag and does not entail the future risk of IOL-bag dislocation.