Upslanted palpebral fissure Upward slanting of the opening between the eyelids The palpebral fissure inclination is more than two standard deviations above the mean for age (objective); or, the inclination of the palpebral fissure is greater than typical for age. UMLS:C0423109 Upward slanted palpebral fissures Upslanted palpebral fissures Upward slanting palpebral fissures Upslanting palpebral fissures Mongoloid slant Upward slanting of palpebral fissures HP:0000582 SNOMEDCT_US:246799009 Slanting of the palpebral fissure