Term
| For every _____ diopters of cylinder you get 1 mmHg error? |
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Definition
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Term
| Would you expect a tonometry reading to be a higher or lower than it should be if the corneal thickness is <540 micrometers? |
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Definition
<540 micrometers GAT is underestimated
>540 micrometers GAT is overestimated |
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Term
| If the patient has more than 2D of cyl how many degrees do you adjust the tonometer head from the flattest corneal meridian? |
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Definition
| 43 degrees from the flattest corneal meridian |
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Term
| What happens to IOP when the mires are too fat? |
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Definition
Overestimates the IOP
Real IOP=12
IOP Reading=15 |
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Term
| What happens when the mires are too thin? |
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Definition
Underestimates the IOP
Real IOP=12
IOP Reading=10 |
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