Currently studing year two of SMC optical techian, was woundering if there's anything that anyone could advise me on revising ? dont really work in a surfacing plant, know the main headings what i...
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Currently studing year two of SMC optical techian, was woundering if there's anything that anyone could advise me on revising ? dont really work in a surfacing plant, know the main headings what i...
I am revising for my smc exam next week, and having trouble understanding
this question
Am astigmatic prescription requires a vertical power of +4.25 and a horizontal power of +6.75 ...
...
Any help would be greatful!
Having trouble with angles with 30' by it ...
e.g
convert this angle into a prism dioptre
2 degrees 30'