Tonography helps you to determine –
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- The rate of formation of aqueous
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- The facility of outflow of aqueous
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- The levels of intraocular pressure at different times.
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- None of the above
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EXP:
- There are two similar terms.
Tonography - Tonography is a non-invasive technique for determining the facility of aqueous outflow (C-value).
- Facility of aqueous outflow is estimated by placing schiotz tonometer on the eye for 4 minutes.
- Beside tonography, other methods to measure the facility of aqueous outflow (C-value) are perfusion method and suction cup method.
- The average C-value is 0.28 ± 0.05 1/ min / mmHg. Most glaucoma patients have C-value less than 0.17.
? Tonometery
- Tonometry is the assessment of the intraocular pressure of the eye.
- Therefore, it is used in the diagnosis of glaucoma and for monitoring the treatment response in glaucoma.