Smartphone 3D tool matches specialist measurements for ptosis evaluation

A prospective multicenter study across 5 hospitals evaluated the Digital Rulers of Ptosis (DRP), a smartphone-based 3D reconstruction system using a 10-second video to automate measurement of marginal reflex distance 1 (MRD1) and levator function (LF) in blepharoptosis. Among 952 participants (1904 eyes), DRP showed close agreement with same-day oculoplastic specialist measurements (MAE 0.52 mm for MRD1, 0.95 mm for LF) and high diagnostic accuracy for identifying ptosis (AUC 0.97) and surgical approach (AUC 0.98), with consistent performance across sex, age, and region. The study authors state further research is needed to evaluate its clinical impact.

Most relevant for: Clinicians evaluating patients aged 3 years and older for blepharoptosis, including pre- and post-surgical assessment.

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