Manifestation of bilateral choroidal osteoma in childhood. Progressive myopia due to staphyloma posticum

BACKGROUND: Case report of a 6-year-old boy with bilateral choroidal osteoma. CASE REPORT: The patient was followed up for the next 6 years and during this period bilateral tumor progression was observed. In one eye a staphyloma posticum developed in the area of the osteoma which led to secondary anisometric myopia. CONCLUSION: If undetected, this rare complication can lead to anisometric amblyopia; therefore, repeated cycloplegic refractometry is advisable in children with choroidal osteoma.