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A PRESENTATION FROM RIO-GOH CHENNAI

Analysis of Biometric Parameters in Glaucoma

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A PRESENTATION FROM RIO-GOH CHENNAI

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    2. Analysis of Biometric Parameters in Glaucoma & Refractive Errors Author: Prof. Dr. V. Velayutham Co-Authors: Dr. Nirmal Fredrick Dr. N. Jayanthi Dr. A. R. Rajalakshmi

    3. Aim A pilot study to find out the importance of assessment of biometric parameters in Primary Glaucomas (open angle and angle closure) Myopia and Hypermetropia

    4. Methods & Materials A pilot study between Jan & Apr 2006 40 Glaucoma patients (both open angle and angle closure glaucoma) Equal number of non glaucomatous patients with hypermetropic and myopic refractive errors

    5. Patient evaluation A detailed routine examination was done for all the patients. The following parameters were measured and analysed Lens Thickness Anterior Chamber Depth Central Corneal Thickness

    6. Patient evaluation A-scan biometric study LT & AC Depth

    7. Results

    8. AC depth The average AC depth is as follows in the four groups:

    9. Lens thickness Lens thickness among the four groups:

    10. Lens Thickness & AC Depth There is a definite increase in Lens Thickness and diminished Anterior Chamber Depth in PACG compared to POAG group. In hypermetropes, there is an increase in lens thickness and decrease in anterior chamber depth compared to myopes

    11. Lens Thickness & AC Depth

    12. Central Corneal Thickness CCT does not show any obvious difference in these four groups.

    13. Conclusion From this small pilot study, it is evident that increase in lens thickness and diminution of anterior chamber depth have definite correlation with the incidence of PACG. Hence it is very essential to follow the hypermetropes carefully in the fourth and fifth decades for occurrence of PACG.

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