사근기능이상을 동반한 A-V형 사시의 수술 1. V-ET - MROU recession or R&R + IO weakening(recession, myectomy, marginal myotomy, extirpation) 2. V-XT - LROU recession or R&R + IO weakening(recession, myectomy, marginal myotomy, extirpation) 3. A-ET - MROU recession or R&R + weakening of SO(tenectomy, tenotomy or recession) 4. A-XT - LROU recession or R&R + weakening of SO(tenectomy, tenotomy or recession) * 사근의 기능..