A 4-year-old boy presented with complaint of progressive diminution of vision (Visual Acuity: 3/60) in left eye for the last 2 months. He gave history of trauma to right eye sustained with a broom stick 3 months back. Slit lamp examination showed a cystic structure in cornea with normal epithelium and corneal stroma (Fig. 1).
AS-OCT (Visante) showed a cyst of homogenous moderate reflectivity originating from inferior angle with a clear separation from iris, pupil, and lens, and attached to endothelium (Fig. 2).
Corneal epithelium and stroma appeared uninvolved by cyst. The patient underwent cyst aspiration and excision of mouth of the cyst.
On follow-up, although some corneal haze still persisted (Fig. 3), a significant improvement in vision (6/12) was noted. AS-OCT showed no residual cyst at 1 year of follow-up (Fig. 4).
AS-OCT (Visante) showed a cyst of homogenous moderate reflectivity originating from inferior angle with a clear separation from iris, pupil, and lens, and attached to endothelium (Fig. 2).
On follow-up, although some corneal haze still persisted (Fig. 3), a significant improvement in vision (6/12) was noted. AS-OCT showed no residual cyst at 1 year of follow-up (Fig. 4).
Take Home Message
- Corneal cysts are a rare entity.
- Documenting complete extent of lesion is very important, especially in phakic patients for a sound surgical plan.
- AS-OCT can be a useful investigative modality that can help to clearly delineate extent of the cyst and can also be used as a monitoring tool postoperatively to ensure complete removal.
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