Macnaha qaamuuska ereyga "anisometropia" waa xaalad ay awoodda wax-soo-celinta ee labada indhood si weyn u kala duwan tahay, taasoo keentay in labada indhood ay isku dhacaan qalad aan sinnayn. Marka la eego kuwa fudud, waxa ay tilmaamaysaa xaalad ay hal isha ku haysato warqad dhakhtar qoray oo ka duwan ama qaladka soo celinta marka loo eego isha kale. Xaaladdan waxay keeni kartaa aragga oo xumaada, cidhiidhi indhaha, iyo dhibaato in si habboon diiradda loo saaro. Anisometropia waxaa sababi kara arrimo kala duwan, sida kala duwanaanshaha cabbirka ama qaabka kubbadaha indhaha, kala duwanaanshaha qallooca isha, ama kala duwanaanshaha dhererka isha. Waxa lagu sixi karaa muraayadaha indhaha, muraayadaha indhaha, ama xaaladaha qaarkood, qaliin dib u celin ah.