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   Table of Contents      
LETTER TO EDITOR
Year : 2001  |  Volume : 49  |  Issue : 4  |  Page : 278

Interpreting automated perimetry.


Correspondence Address:
Y Shukla


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Source of Support: None, Conflict of Interest: None


PMID: 12930127

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Keywords: Automation, Humans, Perimetry,


How to cite this article:
Shukla Y. Interpreting automated perimetry. Indian J Ophthalmol 2001;49:278

How to cite this URL:
Shukla Y. Interpreting automated perimetry. Indian J Ophthalmol [serial online] 2001 [cited 2019 Dec 7];49:278. Available from: http://www.ijo.in/text.asp?2001/49/4/278/14683

Dear Editor,

I read the article in the Ophthalmology Practice section on "Automated Perimetry" by Ravi Thoams et al in the June 2001 issue. It is an excellent article, so clearly designed and depicted that even doctors who do not possess the machine can interpret the results. I congratulate the authors for the endevour.

I have a few queries. Firstly, as explained, the machine 'adjusts' to the depression of hill of vision, which occurs due to cataract, media opacities, etc., in the pattern deviation plot. If the patient has retinal haemorrhages or exudates or degenerative areas which in diabetes or hypertension occur predominantly in the central 30 degrees, does the machine have any program to 'adjust' to these low sensitivity areas as these can interfere with glaucomatous defects ?

Secondly, authors have not mentioned what the numerical values given in the deviation and pattern deviation plots, stand for.

Thirdly, since the programme compares normals with the patients, what is the lower age limit at which patients can be reliably screened on the machine? My question pertains to juvenile glaucoma patients.




 

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