FREE PAPER ABSTRACT NUMBER = 01

FREE PAPER ABSTRACT NUMBER = 01 Title of abstract To evaluate inter observer agreement for visual field progression on automated perimetry between a...
Author: Sara Fowler
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FREE PAPER ABSTRACT NUMBER = 01

Title of abstract

To evaluate inter observer agreement for visual field progression on automated perimetry between a novel Technique (serial presentation of PSD probability plots in video format) and GPA

Content of Abstract

Purpose-To evaluate inter observer agreement for visual field progression on automated perimetry between a novel Technique (serial presentation of PSD probability plots in video format) and GPA Methods – Serial, reliable Humphrey visual fields (HVF) of patients who were diagnosed as primary glaucoma were included. The Pattern deviation probability plots were extracted and converted into a chronological series of images in a video format (PDP Video). Patients with secondary glaucoma suspected of retinal or neurological problems were excluded .Five glaucoma consultants, five glaucoma fellows and five optometrists assessed the PDP video. Likely or probable progression on the GPA was considered the Gold Standard. Kappa was calculated for level of agreement. Results-Consultants ,Fellows and optometrist evaluated total of 270 HVF of 24 eyes with mean 11.25±2.23 tests (Mean±SD).The level of agreement for PDP video and GPA was fair to good for glaucoma consultant (0.25 to 0.62), poor to moderate (0.083-0.51) for fellows and fair to moderate(0.27-0.58) for Optometrists. Conclusion- Using PDP video format and GPA to compare visual field progression agreement remains fair to moderate .PDP video format can be used in busy clinic.

   

 

FREE PAPER ABSTRACT NUMBER = 02

Title of abstract

A Case of Classic Malignant Glaucoma following Laser Peripheral Iridotomy for Acute Angle Closure

Content of Abstract

Purpose Diagnosis and Management of a Case of “Aqueous Misdirection†following Laser Peripheral Iridotomy(LPI)for Acute Angle Closure. Methods A 65 year old male, presented with a painful red eye on his left side. His best corrected visual acuity in the right eye was 6/6 and left eye was counting fingers close to face. Both eyes had a shallow anterior chamber, with the left eye being remarkable for striate keratopathy with a mid-dilated fixed pupil. Intraocular pressure was maintained at 12 and 14 mm Hg in right and left eye, as the patient was already on antiglaucoma medication shown elsewhere. Gonioscopy showed occludable angles in the right eye and in the left eye could not be commented upon due to a hazy view. Central fundus was normal in right eye and left eye could not be visualized. Both eyes LPI was done and antiglaucoma medication continued. Patient returned after 1 week, with complains of pain, redness, headache and nausea. His left eye showed lid edema, corneal edema with a shallow anterior chamber. LPI was not patent and intraocular pressure was 50 mm hg. He was started on intravenous mannitol and a repeat iridotomy was done, but intraocular pressure was uncontrolled. B-scan showed multiple intraocular pockets of aqueous, hence a probable diagnosis of Malignant Glaucoma was made,thus the patient underwent a pars-plana vitrectomy with lens extraction. After 1 month the intraocular pressure was well controlled, without any antiglaucoma medication. Results Malignant Glaucoma can be surgically managed effectively with pars-plana vitrectomy, when medical therapy fails. Conclusion Malignant glaucoma continues to be a therapeutic challenge, the prognosis of this condition is good with currently available treatment modalities and hence, it no longer deserves its historical name.

   

 

FREE PAPER ABSTRACT NUMBER = 03

Title of abstract

PHACO CANALOPLASTY IN OPEN ANGLE GLAUCOMA

Content of Abstract

PURPOSE - To evaluate the safety and efficacy of Phaco Canaloplasty surgery in indian eyes with open angle glaucoma METHODS - This study included adult patients with open angle glaucoma patients and cataract . 33 eyes of 31 patients who underwent combined phacoemulsification with canaloplasty from January 2014 to March 2014 were evaluated at day 1 , 1 month , 3 months , 6 months and 1 year post operatively . RESULTS - A tensioning suture could not be passed in 6/33 (15.1%) patients but 360 degree cannulation using both ostia was done in all of these cases . The average preoperative IOP was 24.6 ±7.35 mm .The average post operative IOP at 1 month, 3 months and 1 year was 12.8±3.3 , 13.6±1.9 and 13.4±1.6 respectively .A complete success rate based on IOP ≤18 was 96.9% at 1 year . qualified success rate based on IOP ≤ 18 was 100% . Preoperative anti glaucoma medication use was 1.39±0.86 which decreased to 0.03±0.1 . Surgical complications occurred in 21 eyes which included - descemets window rupture in 1/33 (3%) , Transient Hyphema was in 20/33 ( 60.6%) which resolved in all in 5 days . CONCLUSIONS – Combined Phaco Canaloplasty is a very promising procedure for patients with open angle glaucoma and gives very consistent IOP results in Indian patients

   

 

FREE PAPER ABSTRACT NUMBER = 04 Table 1 

Title of abstract

CLINICAL COMPARISON OF CORVIS –ST TONOMETER WITH NONCONTACT, ICARE AND APPLANATION TONOMETERS IN EYES WITH DIFFERENT RANGES OF CENTRAL CORNEAL THICKNESS

Content of Abstract

Purpose: To compare IOP measurement of Corvis ST tonometer with Non contact , I-care and Applanation in eyes with different range of corneal thickness. Methods: We conducted this study at Glaucoma clinic of tertiary eye care center southern India between march-sept 2015. All patients attending out patient department who met the inclusion criteria and consented for the study were included. A total of 500 eyes of 250 subjects were included in the study. Intraocular pressure (IOP) was recorded using Noncontact (NCT), Corvis – ST (CST), Icare and Applanation tonometers (AT) serially. Central corneal thickness (CCT) was determined by Pentacam and CST. Results: Mean age of the study population was 27.26 ± 5.93 years. Mean IOP ±SD recorded was 15.46 ± 2.09 by CST, 15.34 ± 2.17 by NCT, 14.80 ± 2.33 by Icare and 14.62 ± 2.09 by AT. We found good correlation of CST with all other tonometers but highest correlation was found with AT. Correlation coefficient of CST with NCT was found to be 0.64, 0.69 and 0.74 (p