Abstract presentations

Poster presentation schedule

Daily by subspecialty: 0700-0800 and 1000-1045
COS Annual Meeting Exhibit Hall

Friday, June 16

Oculoplastic and reconstructive surgery
Retina

Saturday, June 17

Cornea, external disease and refractive surgery
Glaucoma
Pediatric ophthalmology and strabismus

Sunday, June 18

Cataract surgery
International and public health ophthalmology
Uveitis
Vision rehabilitation

Friday, June 16, 0700-0800 and 1000-1045

OCULOPLASTIC AND RECONSTRUCTIVE SURGERY

A potentially life threatening complication of conjunctivodacryocystorhinostomy: A case report
Kaisra Esmail, Stephanie Chan, Steven Gilberg
Squamous cell carcinoma of the canaliculus associated to HPV infection
Evangelina Esposito, Pablo Zoroquiain, Bryan Arthurs, Miguel Burnier
Bilateral traumatic subgaleal orbital hemorrhage: Case presentation and literature review
Michelle Khan, Ahsen Hussain, Simon Fung, Dan DeAngelis, Kamiar Mireskandri
Management of dysfunctional epiphora: Comparing the surgical outcome of non-endoscopic endonasal dacryocystorhinostomy, transcanalicular diode laser assisted dacryocystorhinostomy and external dacryocystorhinostomy
Can Ozturker, Bayasgalan Purevdorj, Gamze Ozturk Karabulut, Gamal Seif, Korhan Fazil, Yasser Anwar Khan, Pelin Kaynak
A case of orbital dumbbell dermoid cyst located at the frontozygomatic suture with a secondary extension through the orbital roof in the intracranial space
Can Ozturker, Bayasgalan Purevdorj, Gamal Seif, Yasser Anwar Khan
Use of dermis fat graft for cosmetical volume augmentation in the lower eyelid
Bayasgalan Purevdorj, Can Ozturker, Gamal Seif, Yasser Anwar Khan
Mucinous adenocarcinoma of the eyelid: A case series ·
Debra-Meghan Sanft, Pablo Zoroquiain, Bryan Arthurs, Miguel Burnier
Does mitomycin C improve the success of endoscopic DCR in Asian patients?
Chee-Chew Yip

RETINA

Endoscopy assisted vitrectomy in proliferative vitreoretinopathy associated retinal detachment
Radwan Ajlan, Jordan Isenberg, Flavio Rezende
A standardized approach to correlating OCT images to histopathology using paraffin embedded specimens: Clarification of the ellipsoid zone and new opportunities
Sabrina Bergeron, Carlos A. Moreira Neto, Pablo Zoroquiain, Jacqueline Coblentz, Miguel N. Burnier
Machine learning-assisted automated quantification of foveal avascular zone parameters and perifoveal capillary density of prototype and commercial optical coherence tomography angiography (OCT-A) platforms in healthy and diabetic eyes
Forson Chan, Zaid Mammo, Morgan Heisler, Chandrakumar Balaratnasingam, Pavle Pavle, Gavin Docherty, Sanjeeva Rajapakse, Sven Loncaric, Andrew Merkur, Andrew Kirker, David Albiani, Mirza F. Beg, Marinko V. Sarunic, Eduardo Navajas
Small-gauge endoscopy-guided pneumatic anterior hyaloid detachment: A new surgical technique for combined pars plana vitrectomy and pars plana glaucoma drainage implant
Ali Dirani, Marina Ciongoli, Mark Lesk, Flavio Rezende
Strip-based registration of serially acquired optical coherence tomography angiography
Gavin Docherty, Morgan Heisler, Sieun Lee, Zaid Mammo, Yifan Jian, Myeong Jin Ju, Andrew Merkur, Eduardo Navajas, Chandrakumar Balaratnasingam, Mirza Faisal, Marinko Sarunic
HOT TOPIC Distinguishing central serous chorioretinopathy and neovascular age related macular degeneration using enhanced depth imaging – A prospective study
Parampal Grewal, Steven Lapere, Christopher Rudnisky, Rizwan Somani, Matthew Tennant
First Prize, COS Awards for Excellence in Ophthalmic Research
Metformin inhibits survival, migration, and vascular endothelial growth factor production in uveal melanoma cells
Jade M. Lasiste, Bruna Duarte, Denise Miyamoto, Pablo Zoroquiain, Miguel N. Burnier, Jr.
Blowouts of the retinal pigment epithelium
Mikel Mikhail, Nour Nofal, Mikael Sebag
Efficacy of tele-ophthalmology initiative on patient satisfaction and compliance to follow-up
Prima Moinul, Joshua Barbosa, Mei Lin Chan, Varun Chaudhary
Optical coherence tomography examination of vitelliform lesions and the retinal pigment epithelium in patients with Best vitelliform macular dystrophy
Cynthia Qian, Dionisio Charran, Cameron R. Strong, Timothy J. Steffens, Thiran Jayasundera, John R. Heckenlively
Evaluation of the RETeval 30Hz flicker ERG in the assessment of diabetic patients
Nadia Sayed, Stuart Coupland, Vanja Popovic, Merem Faris, Lynca Kantungane
Anterior chamber paracentesis for central retinal artery occlusion: A promising alternative technique
Fatma Zaguia, Mikel Mikhail, Michael Kapusta

Saturday, June 17, 0700-0800 and 1000-1045

CORNEA, EXTERNAL DISEASE AND REFRACTIVE SURGERY

Meibomian gland dysfunction and pseudohypoaldosteronism – Case report
Tahra AlMahmoud, Anu Varghese
Iatrogenic keratectasia following photorefractive keratectomy
Ricarda J. Bentham, David Edmison, Pablo Morales, Yelin Yang, Kashif Baig
Patient-reported visual function after Boston keratoprosthesis type I implantation
Cristina Bostan, Marwan Elfekhfakh, Mona Harissi-Dagher
DMEK shapes: Easing the tapping
Johanna Choremis, Mathieu Mercier, Michele Mabon, Isabelle Brunette, Julia Talajic
Kaposi’s sarcoma of the conjunctiva and orbit
Jacqueline Coblentz, Sabrina Cohen, Gerardo Discepola, Rubens Belfort Neto, Bryan Arthurs, Miguel Burnier Jr.
Applications for 3D printing technology in the field of ophthalmology
Cornelis de Jager, Chris Adams, Davin Johnson
Etiology and management of ocular surface keratinization: A case report and literature review
Ahsen Hussain, Michael Sidiropoulos, Navdeep Nijhawan
The use of serum drops for the treatment of ocular surface disease in Canada – A national survey of cornea specialists
Michael Marchand, Mona Harissi-Dagher, Marc Germain, Paul Thompson, Marie-Claude Robert
Evaluation of dry eye disease in children with systemic lupus erythematosus, external eye disease and normal controls
Stephan Ong Tone, Uri Elbaz, Earl Silverman, Deborah Levy, Sara Williams, Kamiar Mireskandari, Asim Ali
Collagen cross-linking as an adjunct for repair of corneal lacerations: A cadaveric study
Timothy Ratzlaff, David Wei, Yao Wang, Mark Xu, Davin Johnson
Practice patterns in the interdisciplinary management of corneal abrasions
Michael Ross, Jean Deschênes
Ophthalmia nodosa secondary to caterpillar setae in a youth
Solin Saleh, Seymour Brownstein, Mustafa Kapasi, Michael O’Connor, Paula Blanco
A unique case of peripheral ulcerative keratitis secondary to hepatitis B-associated cryoglobulinemia and vasculitis
David W. Wei, Christian Pagnoux, Clara C. Chan

GLAUCOMA

Bio-modulation of primary human tenon’s capsule fibroblasts using a novel application of coated magnesium
James J. Armstrong, Brian Dang, Vasiliki Tellios, Nikoleta Tellios, Cindy Hutnik
The temporal raphe of the retinal nerve fibre layer (RNFL) in glaucoma patients with a horizontal hemi-field visual field defect
Ziad Butty, Jayme R. Vianna, Glen P. Sharpe, Donna M, Hutchison, Lesya M. Shuba, Paul E. Rafuse, Marcelo T. Nicolela, Balwantray C. Chauhan
Ontario glaucoma management study – Results from a provincial survey
Michael V. Caputo, Steve A. Arshinoff, Grace M. Scott, Brian J. Mitchell
A decade of surgical eye removals in Ontario: A clinical-pathological study
Sze W. S. Chan, Shireen Khattak, Narain Yücel, Neeru Gupta, Yeni Yücel
Third Prize, COS Awards for Excellence in Ophthalmic Research
Standalone ab interno gelatin stent with MMC versus standalone trabeculectomy with MMC: Post-operative patient experience and healthcare utilization
Husayn Gulamhusein, Matthew Schlenker, Alix Somers, Ina Conrad-Hengerer, Ingeborg Stalmans, Fritz Hengerer, Iqbal (Ike) Ahmed
HOT TOPIC Comparison of outcomes of trabeculectomy with subconjunctival injection of mitomycin C versus topical application with cellulose sponge
Claire Hamilton, Lesya Shuba
Evaluating patient perceptions of marijuana effectiveness on glaucoma
Nadia Hua, Sharnjit Bains, Isabel Ng, Enitan Sogbesan
SIRT3 increases peripheral ganglion cell survival in a kainic acid induced model of glaucoma
Henry Liu, Xiaoxin Guo, Joanne E. Nash, Jeremy M. Sivak
Outcomes of gonioscopy-assisted transluminal trabeculotomy (GATT) in juvenile and adult glaucoma
Natalya Kovalyuk, Paul Harasymowycz
Efficacy and safety of ab interno trabeculectomy in juvenile open angle glaucoma
Samir Nazarali, Sourabh Arora, Masahiro Maeda, Brian Francis, Mariko Maeda, Arthur J. Sit, Sameh Mosaed, Karim F. Damji
Fluctuation of intraocular pressure pre versus post pharmacological pupillary dilation measured by Goldmann applanation tonometry and transpalpebral Diaton tonometry
Cynthia Qian, Salima Hassanaly, Jean Duperre, Mona Harissi-Dagher
HOT TOPIC Ocular rigidity differences between myopic and non-myopic eyes as measured with a novel non-invasive method based on high-speed OCT imaging
Diane Sayah, Javier Mazzaferri, Luke Beaton, Maribel Hidalgo, Félix Lalonde, Denise Descovich, Santiago Costantino, Mark Lesk
Association of ocular dominance and Humphrey visual field parameters: Mean deviation, pattern standard deviation, and visual field index
Enitan Sogbesan, Nadia Hua, Sharnjit Bains
Efficacy of selective laser trabeculoplasty versus argon laser trabeculoplasty in patients with pseudoexfoliative glaucoma
Jin Soo A. Song, Jayme Vianna, Lesya Shuba, Paul Rafuse, Marcelo Nicolela
Early post-operative outcomes of an ab externo SIBS Micro-Shunt with mitomycin C
Andrei-Alexandru Szigiato, Monika Baltaziak, Matthew Schlenker, Dominik Podbielski, Iqbal (Ike) Ahmed
The impact of glaucoma visual field severity and self-perceived visual disabilities on driving cessation and driving difficulty
Alex Lai Chi Tam, Graham E. Trope, Yvonne M. Buys, Ye Lin Yang, Carl Shen, Ya-Ping Jin
Transcleral intraocular lens fixation combined with an Ahmed implantation for late IOL dislocation associated with high intraocular pressure: A case series
Lucas A. Torres, Jayme R. Vianna, Marcelo T. Nicolela
Impact of first line treatment on quality of life among glaucoma and glaucoma suspect patients
Lavanya Uruthiramoorthy, Cindy Hutnik, Dan Lizotte, Monali Malvankar

A randomized controlled study to evaluate the effect of preoperative brimonidine tartrate 0.2% on intraocular pressure in patients undergoing robot-assisted radical laparoscopic prostatectomy in steep Trendelenburg position
Rana Greene, Graham E. Trope, Matteo Parotto, Antonio Finelli, Numan Hallaji, Ya-Ping Jin, Yvonne M. Buys

PEDIATRIC OPHTHALMOLOGY AND STRABISMUS

Endothelial cell loss in obstetrical forceps-related corneal injury: a specular microscopy study
Ali El Hamouly, Hamza Sami, Simon Fung, Dishay Jiandani, Kamiar Mireskandari, Asim Ali
Unique ocular findings in Primordial Dwarfism: A case study
Paul Huang, Peter Huang, Vivian Hill
Rates of loss to follow up in pediatric vs adult ophthalmology patients
Hussain Khimji, Deepak Karivelil, Fariba Nazemi
Subretinal fluid in the presence of torpedo maculopathy: Two pediatric cases
Wai-Ching Lam, Stephanie A. Low
Phacomorphic glaucoma following silicone oil tamponade in a paediatric patient
Victoria C. Leung, Simon Fung, Rajeev Muni, Asim Ali
Acquired cataract from self-injurious behavior in the pediatric population
Kamiar Mireskandari, Tina Felfeli, Anne-Marie Yardley, Asim Ali
Case report: Primary orbital rhabdomyosarcoma occurring concurrently with a choroid plexus carcinoma in a toddler later diagnosed with Li-Fraumeni syndrome
Simrenjeet Sandhu, Thomas Hardy, Natashka Pollock
Factors influencing the success of treatment for children diagnosed with hyperopic and astigmatic anisometropia in London, Ontario
Fady Sedarous, Toylin Musewe, Alex Mao, Inas Makar
Orthoptic eye patch efficacy in the treatment of amblyopia
Joelle Tremblay, Louis-Philip Pelchat, Marcele Falcao
Long-term vision and alignment outcome in children with unicoronal craniosynostosis
Julie Vadboncoeur, Luis H. Ospina

Sunday, June 18, 0700-0800 and 1000-1045

CATARACT SURGERY

Wound architecture and functional outcome after cataract surgery with manual vs. femtosecond laser assisted catalys procedures
Etienne Benard-Seguin, Raphaëlle Fadous, Leila Mejdoub, Hasitha Jaliya de Alwis Weerasekera, Isabelle Brunette, Paul Harasymowycz
Combining an extended depth-of-focus intraocular lens with a low-add multifocal intraocular lens to extend patient’s functional vision
Sondra Black
First real-world Canadian experience with the Optiwave Refractive Analysis (ORA) System with VerifEye+ technology in patients undergoing cataract surgery in a single ophthalmology clinic
John F. Blaylock, Emmanouil Rampakakis
Intraocular lens biocompatibility: A novel, objective approach
Christina Mastromonaco, Matthew Balazsi, Pablo Zoroquiain, Patrick Logan, Evangelina Esposito, Jacqueline Coblentz, Aya Siblini, Miguel Burnier
Management of anterior capsular tears with a capsulorrhexis relaxing incision
Kelsey A. Roelofs, Chris J. Rudnisky

INTERNATIONAL AND PUBLIC HEALTH OPHTHALMOLOGY

Diabetic retinopathy screening in a community pediatric diabetes clinic at Peterborough Regional Health Center
Kedija M. Abdella, Karolyn Hardy-Brown, Kylen McReelis, Hermina Strungaru
Evaluating Canadian ophthalmology residents’ attitude, knowledge and perceptions of interprofessional collaboration
Sharnjit Bains, Isabel Ng, Enitan Sogbesan
Publication rate of abstracts presented at the 2010 Canadian Ophthalmological Society Annual Meeting
Alfred Basilious, Ana Maria Benavides Vargas, Yvonne Buys
The changing face of the ophthalmology workforce: An analysis of practice patterns and associations over two decades
Yvonne M. Buys, Tina Felfeli, Yaping Jin
Emergency ophthalmology consults at a Canadian tertiary teaching hospital: A retrospective review
Gavin Docherty, Carol Tadrous, Brennan Eadie, Simon Warner
Eye on the future of ophthalmology: Development of the University of Toronto’s ophthalmology undergraduate preclerkship medical education curriculum
Tina Felfeli, Hannah H. Chiu, Daniel J. Weisbrod, Kathy Cao, Sherif El-Defrawy
Risk of bias assessment of randomized controlled trials in high-impact ophthalmology journals and medical journals: A systematic review
Lazar Joksimovic, Robert Koucheki, Marko Popovic, Matthew Schlenker, Iqbal (Ike) Ahmed, Yusuf Ahmed
Trends in Canadian ophthalmology residency applications
Irfan N. Kherani, Bernard Hurley
Emergency ophthalmology in rural communities and the development of a novel ocular triage algorithm
Anmol Lamba, Hyder Shah, Aurinjoy Gupta, Sanjoy Gupta
Quantifying the level of evidence presented at the 2016 Canadian Ophthalmological Society Annual Meeting
Sarah J. Mullen, Joshua Barbosa, Michael Mak, Michael T. B. Nguyen, Payal Patel, Varun Chaudhary
Realist evaluation of an ophthalmology clerkship evaluation: What works, how and why
Nawaaz Nathoo, Jane Gardiner, David Maberley
Second Prize, COS Awards for Excellence in Ophthalmic Research
Fragility of results in randomized control trials in ophthalmology
Carl Shen, Isabel Shamsudeen, Forough Farrokhyar, Kourosh Sabri

UVEITIS

Disease characteristics, complications and treatment patterns in non-infectious intermediate, posterior and panuveitis in Canada
Marie-Josée Aubin, Julie Vadboncoeur, Véronique Lambert-Obry, Avril Gouault-Laliberté, Alex Castonguay, Marie-Claude Laliberté, Jean Lachaine
Multifocal Toxoplasma chorioretinitis and neuroretinitis in an immunocompetent adult
Ibrahim Elaraoud, Walter Andreatta, Soaib Tarin
Vogt-Koyanagi-Harada syndrome with granulomatous tattoo-related dermatitis: Case presentation
Ishrat Gill, Olga Ziouzina, Mike Kalisiak, Michael Fielden
Herpes zoster ophthalmicus: Presentation, initial management and delayed ocular involvement
Michael Ross, Jean Deschênes
Ocular syphilis: case series (2000-2015) from two tertiary care centers in Montreal
Julie Vadboncoeur, Yasmine Rabia, Annie-Claude Labbé, Claude Fortin, Laurence Jaworski, Marie-Josée Aubin
A profile of acute anterior uveitis in Saskatoon
Melody E. Wong, María Gabriela Campos-Baniak, Vasudha Erraguntla
Birdshot chorioretinopathy: Disease severity and HLA-A29 subtype
Lisa Zhang, Harrish Nithianandan, Rahul Sharma, Chloe Gottlieb

VISION REHABILITATION

eQUEST – eSight quality of life and efficacy study
Beatrice Patino, Sophia Reyes, Robert Devenyi, Samuel N. Markowitz, Multicenter Group of Investigators