instruction:
Translate the given Spanish text to English
question:
1 and 2).
answer:
1 y 2) (10).


question:
Multifocal lenses are defined by nonconical aspheric optical surfaces.
answer:
Las lentes multifocales se definen por superficies opticas asfericas, no conicas.


question:
The present disclosure provides a process.
answer:

La presente descripción proporciona un proceso.