Underlash Placement Geometry: Maintaining the 1–2mm Meibomian Waterline Safety Gap for Prescription Eyeglass and Blue-Light Frame Wearers (10–12mm Vertex Distance)
Mastering Underlash Placement Geometry: Maintaining the 1–2mm Meibomian Waterline Safety Gap for Eyeglass & Blue-Light Frame Wearers requires establishing a strict 1.0mm to 1.5mm safety clearance from the wet eyelid waterline, anchoring featherweight cluster segments directly to the underside of natural lash roots.
Read the guide









