Horizontal phoria as related to age and sex.
D000293:Adolescent; D000328:Adult; D000367:Age Factors; D000368:Aged; D002140:California; D005260:Female; D006801:Humans; D008297:Male; D008875:Middle Aged; D012737:Sex Factors; D013285:Strabismus / Q000453:epidemiology*; D014787:Vision Tests