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ContentsGLAUCOMA – ITo find A Correlation between Gonioscopy and Anterior Segment OpticalCoherence Tomography (ASOCT) in Detecting Angle Closure in A South IndianPopulation...............................................................................................................279Dr. Arijit Mitra, Dr. Debarpita Chaudhury, Dr. Rama Krishnan R., Dr. Mohideen AbdulKadar P.M.T., Dr. Devendra MaheshwariComparison of Cup Disc Ratio Ophthalmoscopi-cally and Optical CoherenceTomography wise ..................................................................................................283Dr. Maragatham K., Dr. Vijay Krishnan B.Prevalence of Glaucoma in Patients Referred for Cataract Surgery from RuralScreening Camps...................................................................................................285Dr. Varada Gokhale, Dr. Sripriya Krishnamoorthy, Dr. Sandeep Mark Thirumalai,Dr. Ronnie Jacob GeorgeUltrasound Biomicroscopy Changes Before and after Laser Iridotomy inPrimary Angle Closure..........................................................................................289Dr. Savita Bhat, Dr. Anna Elias, Dr. A Giridhar, Dr. S.J. SaikumarImplications of Repeated Valsalva’s Manouver In High Resistance WindInstrument Ptayers................................................................................................296Dr. Lt. Col (Mrs.) Sagarika Patyal, Dr. (Brig) Ahluwalia T.S., Dr. (Lt. Col.) Partha SarthiMoulivk, Dr. Poninder Kumar DograClinical Effectiveness of Contrast Sensitivity Function in Patients with PrimaryOpen Angle Glaucoma and Ocular Hypertension.............................................306Dr. Vidya Chelerkar, Dr. Madan Deshpande, Dr. Mousami SaikiaStudy of Ocular Blood Flow in Primary Open Angle Glaucoma and PrimaryClosed Angle Glaucoma.......................................................................................309Dr. Mohan Shalini, Dr. Kanika Agrawal, Dr. Sneha M. Agrawal, Dr. Gupta RameshChandra, Dr. Perwej KhanPeripapillary Microperimetry Vs Retinal Sensitivity in Glaucoma..................312Dr. Ulka Srivastava, Dr. Pushpa Varma, Dr. Latika Khare, Dr. Mema JoshiRole of Dynamic Ultrasound Biomicroscopy in defining Laser Treatment inPigment Dispersion Syndrome/ Pigmentary Glaucoma ..................................315Dr. Atif Anwar, Dr. Tirupati Nath, Dr. Sourabh Kumar Soni, Dr. Jain B.K.Increased Test-retest Variability Typically Precedes Definite GlaucomatousField Defects in Early Glaucoma..........................................................................321Dr. Tutul Chakravarti153
Glaucoma Free PapersGLAUCOMA - IChairman: Dr. Krishnadas R.; Co-Chairman: Dr.Tiwari Uma Sharan;Convenor: Dr. Manish S. Shah; Moderator: Dr. Gowri Murthy J.To find A Correlation between Gonioscopyand Anterior Segment Optical CoherenceTomography (ASOCT) in Detecting AngleClosure in A South Indian PopulationDr. Arijit Mitra, Dr. Debarpita Chaudhury, Dr. Rama Krishnan R.,Dr. Mohideen Abdul Kadar P.M.T., Dr. Devendra MaheshwariThe current reference standard for evaluating the Anterior chamber angleconfiguration is gonioscopy, an examination that can be performed quicklybut that involves contact with the cornea and often is considered a cumbersomeexamination in a busy clinical practice. Furthermore, gonioscopic findings maybe affected by inadvertent pressure on the gonioscopy lens and by increasedillumination (which tends to open the ACA) during the examination. Previousstudies have shown that even experienced, cross-trained examiners have onlymoderate agreement in determining angle width. 1,2Anterior segment (AS) optical coherence tomography (OCT) uses a 1093-nmdiode laser to obtain real-time images of the Anterior chamber angle andprovides a rapid non-contact method for the detection of angle closure. 3-5 Theaim of this study was to compare the performance of gonioscopy and AS OCTin detecting angle closure in a cohort of patients attending a community clinicfor non-ophthalmic care and to investigate variations in findings between thetwo methods in the different quadrants of the Anterior chamber angle.MATERIALS AND METHODSThe first random 250 eyes of 250 patients presenting to the Glaucoma clinicsuspected of having occludable angles on primary slit lamp evaluation wereincluded in the study if they fulfilled the inclusion and exclusion criteria. Aftertaking the history to obtain previous medical and ophthalmic condition, eachsubject underwent the following examinations on the same day: Visual acuity,Anterior segment imaging by AS OCT (Visante; Carl Zeiss Meditec, DublinCA), Slit-lamp biomicroscopy, Goldmann applanation tonometry, and Indirectgonioscopy. Only subjects greater than 18 years were included. Subjects wereexcluded if they had a history of intraocular surgery or penetrating trauma ineither eye, previous anterior segment laser treatment, or a history of glaucoma.279
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