[Association of various degrees of astigmatism with various degrees of spherical ametropia].
D000293:Adolescent; D000328:Adult; D001251:Astigmatism / Q000150:complications*; D006801:Humans; D009216:Myopia / Q000150:complications*; D012030:Refractive Errors / Q000150:complications*
Considerazioni sulla associazione di diversi gradi di astigmatismo a vari gradi di metropia sferica.