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    Thank you!

    Thank you so much! I would not have had a clue but that seems very clear now!😅
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    Haha! Just year one Optometry! These are meant to...

    Haha! Just year one Optometry! These are meant to be possible passive OSCE questions, but we have certainly not been taught this stuff. They release past papers from previous years and boom!...
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    Just (two) more questions..

    Hi again!
    What is the magnification in direct ophthalmoscopy, assuming the subject's eye to be 25mm from the sight hole, when the subject has -4.00D myopia?
    I assume it is more that 15x but I have...
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    Thanks you guys, it is very clear now! Which is...

    Thanks you guys, it is very clear now! Which is handy since the big exam is tomorrow :eek:
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    Hi, Thanks for replying! When I check my answer...

    Hi, Thanks for replying!
    When I check my answer by adding -3.75/-1.25x135 to 6.00/-2.50x45 I get 1.00/-1.25x45, not +2.25/-3.75x135.
    Where am I going wrong?
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    Toric lenses.....The sequel!

    Hi everyone, it's me again, with a slightly re-worded toric problem.

    A thin toric lens is made to the specification:
    +7.00DCx135/+9.50DCx45
    -3.50DS

    When a second thin lens of unknown power...
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    I see! Thank you so much, I'm thinking this forum...

    I see! Thank you so much, I'm thinking this forum is much more worthy of my £9,000!
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    Lens meter questions!

    Hi, I've been trying this question and just want to check if I'm doing anything wrong (or right) as the case may be!:eek:


    A lens meter (lens clock), calibrated for a...
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    Ah, do you just add D and C together?

    Ah, do you just add D and C together?
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    Hi, I get everything apart from the final sphere...

    Hi, I get everything apart from the final sphere value. How did you get from 2.08 to +6.92? Many thanks
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    Yeah, the -4.00 was meant to be on the bottom....

    Yeah, the -4.00 was meant to be on the bottom. Thank you so much, I'm going to try your steps right now on my others ��
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    Help with Toric lens questions!

    Hi, I am a trainee Optometrist and I've only just started. This question keeps coming up in our practice questions and I don't know how to begin. Any pointers would be great. Sorry if it's a stupid...
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