This useful device can be used to stablise any hard contact lens, particularly large diameter lenses like mini-scleral designs when inserting.
It can be worn on the end of a finter liek and upside down ring for ease of lens insertion, or if preferred can be held conventioanlly, due to its conveinient centre hole the lens can be visualised through a mirror.
It is 3D printed to order so size can be changed. Standard diameter is 15mm. It can be made out of Glow in the dark plastic!