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i learn abt lens effectivity formula.i learn va 6/24 is low vision.

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Learn the different type of lenses and the lens Effectivity (MOPF,TNAP)

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i have learnt about the formula

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Mopf

Tnap

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I have learnt about lens effectivity and that towards is negative and away is positive

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lens effectivity formula ( TNAP )

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I learn about lens effectivity formula and low vision

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I learnt the lens effectively formula and had a recap of the formula for the spherocylindrical lens...

Fc = F/1-+d x F

You must convert mm to metres

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lernt about lens effectivity formlua

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I learn about the formula, +/- is important for the calculation

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Lens effectively, prism and the formula

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I learn a new formula about the lens effectivity

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Lens effectivity:

Spectacle to contact lens is towards, d is negative.

Away, d is positive

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I learnt about Fc=F/1+-dxF

Prisms image displacement, image jump, cocked eye and how prisms fix the cosmetic issue

Mopf- for prisms

TNAP- for lens effectively

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i learned about the lens effectivity formula, vertex distance, and the MOPE/TNAP tips really useful 👍🏻