Adding up prescription!!!

[Jimmy The Big Greek]

I have use the "search" mode for 3 hours now and I can not an answer to my question.

Look at this presription.

SPH -2 CYL +1

Is the total prescription 3 diopters or just -1.

How does tha JAA look at it??????

[Flyin'Dutch']

They don't get added up.

FD

[Jimmy The Big Greek]

Ok flyin'dutch.

And also THANKS A LOT. You and this site is worth gold.