Fig. 35.1

Light-bulb’ venous outpouching and yellow lipid exudate.

Fig. 35.2

Leukocoria in a child with Coats disease.

an ideal candidate for laser photocoagulation is a child with reduced central vision in association with focal vascular abnormalities not involving the macula. Laser treatment may retard or prevent progression, and occasionally improves vision. Multiple treatment sessions are often required. Photocoagulation is less effective once retinal detachment has occurred.

Surgery Other treatment options include cryotherapy, drainage of subretinal exudates and scleral buckling surgery.

Review Review at 3-monthly intervals is recommended for eyes with mild vascular dilatation only. Six-monthly review is appropriate once stability has been demonstrated.

Coats disease