Ectropionization
see Lid eversion.
Glossary
Edge buckling
see Edge lift.
Edge lift
General definition in lens geometry: The distance between an extension of the BCOR (back central optic radius) and the absolute edge of the lens; when measured parallel to the optical axis, axial edge lift (AEL); when measured along the radius, … Continue reading
Emergency care
The EW patient should have access to the practitioner or a representative of the practitioner at all times in case of an emergency such as CLPU or CLARE. 24-hour access is considered as mandatory for undertaking EW practice.
Endothelial polymegethism
Increase in size of corneal endothelial cells due to structural damage of surrounding endothelial cells. The ratio of the smallest to largest cells increases from 1:5 to 1:20. The mosaic pattern of the endothelium becomes rather irregular with cells of … Continue reading
EW
see Extended wear.
Extended wear
Originally referred to wear of contact lenses for up to six nights and seven days without lens removal.
