Lower Eyelid Horizontal Tightening in Prostaglandin Associated Periorbitopathy.

Purpose: To determine the effect of chronic topical use of prostaglandin analogs for glaucoma on lower eyelid tension.

Methods: A prospective case-control study was performed. Lower eyelid tension was measured in a group of glaucoma patients (73 eyelids) using prostaglandin analogs and a paired control group (87 eyelids).

Characterization of Normal Mediolateral Angular Direction of Lower Eyelid Eyelashes in Different Age Groups.

Purpose: To characterize the normal eyelash mediolateral angular direction of the lower eyelid in different age groups.

Methods: Sixty patients were divided into 3 groups: G1 - 6 to 12 years; G2 - 20 to 35; and G3 - 60 to 85. Digital photographs were obtained and eyelids were divided in lateral, central, and medial portions.