has part has part characteristic of inheres in has modifier Blepharophimosis HP:0000513 Decreased width of palpebral fissure HP:0000581 When the palpebral fissures are severely shortened, they cannot be widely separated, actively or passively. Blepharophimosis is an acknowledged bundled term (short vertical and horizontal distance). When palpebral fissures are severely shortened, they cannot be widely separated, actively or passively. Ptosis is the term to be used when the reduction in eyelid opening is not fixed but can be increased actively or passively. Blepharophimosis is often associated with Epicanthus inversus. HP:0000507 Narrow opening between the eyelids UMLS:C0005744 A fixed reduction in the vertical distance between the upper and lower eyelids with short palpebral fissures. Abnormal size of the palpebral fissures abnormal decreased width and length palpebral fissure