EUROPEAN JOURNAL OF
PHARMACEUTICAL AND MEDICAL RESEARCH

( An ISO 9001:2015 Certified International Journal )

An International Peer Reviewed Journal for Pharmaceutical, Medical & Biological Sciences

An Official Publication of Society for Advance Healthcare Research (Reg. No. : 01/01/01/31674/16)

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 ISSN 2394-3211

Impact Factor: 6.222

 ICV - 79.57

Abstract

COMPARISION OF VISUAL FIELD DEFECTS IN PRIMARY OPEN ANGLE GLAUCOMA WITH FREQUENCY DOUBLING PERIMETRY(FDP) VERSUS STANDARD AUTOMATED PERIMETRY(SAP)

Dr. Sunil Verma*

ABSTRACT

Objectives: To compare the efficacy of FDP to detect early visual field defects changes as compared to SAP in POAG patients. Method: Non randomized, cross-sectional study included 70 diagnosed patients of POAG and 70 healthy controls of different age groups and of either sex attending the glaucoma clinic of ophthalmology department. Patients with best corrected visual acuity > 20/30, refractive error < ±6 dioptres sphere and < ± 2 dioptres cylinder and with baseline IOP ≥ 21mm of Hg in diurnal curve were included, while patients with history of any previous ocular surgery, significant central lens opacities, retinal disease producing visual field defects, ocular hypertension, normal tension glaucoma, primary angle closure glaucoma, were excluded from the study. Participants underwent examination with Standard Automated Perimetry (SAP) with Humphrey Visual Field Analyzer using 30-2 SITA Standard and Frequency Doubling Technology Perimetry (FDT) with Humphrey Matrix using 30-2 full threshold using ZEST strategy. Result: In our study we found FDP is a quick procedure (Mean test duration was significantly shorter with FDT Matrix as compared to SAP SITA (326.70 ± 17.70 vs. 380.50 ± 72.00 seconds, respectively; P<0.001) and detect early visual field defects. But FDT does not detect larger defects as compared with SAP SITA. The defects detected by FDT Matrix are smaller and deeper i.e., detected by greater light intensity than SAP SITA. Also there was no significant correlation found between the sensitivity measured by the two methods in the various quadrants. Conclusion: FDT’s major contribution may be as a complement to SAP for detecting visual field loss but not as a replacement of SAP.

Keywords: Frequency doubling perimetry; Standard automated perimetry; Primary open angle glaucoma.


[Full Text Article]

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Google Scholar Indian Science Publications InfoBase Index (In Process) SOCOLAR, China Research Bible, Fuchu, Tokyo. JAPAN International Society for Research activity (ISRA) Scientific Indexing Services (SIS) Polish Scholarly Bibliography Global Impact Factor (GIF) (Under Process) Universal Impact Factor International Scientific Indexing (ISI), UAE Index Copernicus CAS (A Division of American Chemical Society) USA (Under Process) Directory of Open Access Journal (DOAJ, Sweden, in process) UDLedge Science Citation Index CiteFactor Directory Of Research Journal Indexing (DRJI) Indian citation Index (ICI) Journal Index (JI, Under Process) Directory of abstract indexing for Journals (DAIJ) Open Access Journals (Under Process) Impact Factor Services For International Journals (IFSIJ) Cosmos Impact Factor Jour Informatics (Under Process) Eurasian Scientific Journal Index (ESJI) International Innovative Journal Impact Factor (IIJIF) Science Library Index, Dubai, United Arab Emirates Pubmed Database [NLM ID: 101669306] (Under Process) IP Indexing (IP Value 2.40) Web of Science Group (Under Process) Directory of Research Journals Indexing Scholar Article Journal Index (SAJI) International Scientific Indexing ( ISI ) Scope Database