Underlash Placement Geometry: Maintaining the 1–2mm Meibomian Waterline Safety Gap for Downturned Outer Canthus Eye Shapes
Executing an anatomical map for Underlash Placement Geometry: Maintaining the 1–2mm Meibomian Waterline Safety Gap for Downturned Outer Canthus Eye Shapes centers on dividing the upper eyelid into five distinct horizontal zones, scaling cluster lengths from 8mm at the inner canthus to 12mm or 14mm along outer focal zones.
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