Patent ID: 8867141

Claim:
An optical lens comprising: a front curve lens comprising a front curve lens exterior surface and a front curve lens interior surface, wherein both said front curve lens exterior surface and said front curve lens interior surface comprise an arcuate shape; a back curve lens comprising a back curve lens interior surface and a back curve lens exterior surface, said back curve lens positioned proximate to said front curve lens such that said front curve lens interior surface and said back curve lens interior surface form a cavity therebetween; a volume of saline solution and oil contained within the cavity formed between said front curve lens interior surface and said back curve lens interior surface, said volume of saline solution and oil comprising a meniscus therebetween; and a meniscus wall comprising a general shape of multiple segments of a torus concave from the optical axis formed in one or both of the front curve lens and back curve lens and bordering the meniscus formed between the saline solution and oil.