ConceptNet 5: artificial lens

Types of artificial lens

en camera lens ⁽ⁿ⁾ ➜
en contact lens ⁽ⁿ⁾ ➜
en corrective lens ⁽ⁿ⁾ ➜
en eyeglass lens ⁽ⁿ⁾ ➜
en objective lens ⁽ⁿ⁾ ➜

artificial lens is a type of…

en lens ⁽ⁿ⁾ ➜
en vision aid ⁽ⁿ⁾ ➜

Links to other resources

sw.opencyc.org /2012/05/10/concept/en/Lens_Artificial