This Singapore Standard specifies requirements for hydrogel contact lenses as supplied by a manufacturer according to a prescription from a practitioner. It applies to hydrogel contact lenses, delivered in the hydrated state.
SS 373 Pt.2-1994 history
1994SS 373 Pt.2-1994 Specification for Optics and optical instruments - Contact lenses Part 2: Soft corneal and scleral contact lenses