lentilla
contact lens
lens
optical device for focusing light
+
-illa
diminutive suffix
Lentilla means contact lens and can be thought of as lens0 (optical device for focusing light0) + -illa1 (diminutive suffix1), literally meaning 'small lens'.
noun
- contact lensA small, thin lens placed directly on the eye to correct visionMe pongo las lentillas cada mañana. // I put on my contact lenses every morning.