Fellowship: University of Montreal (2017)
Ophthalmology Residency: Queen's University, FRCSC (2015)
Medical School: Queen's University (2010)
Pre-medical: Queen's University (2006) Bachelor of Life Sciences (with Distinction)
Selected Peer Reviewed Publications
Johnson D, El-Defrawy SR, Hollands S, Hurst J, Law C, Li C, Baxter S, Campbell Ede L, Campbell RJ. Drug-prescribing patterns among optometrists and nonophthalmologist physicians at a tertiary care centre in Kingston, Ontario. Can J Ophthalmol. 2016 Jun;51(3):168-73.
Johnson D, Winterborn A, Kratky V. Efficacy of Intravenous Mannitol in the Management of Orbital Compartment Syndrome: A Nonhuman Primate Model. Ophthal Plast Reconstr Surg. 2016 May-Jun;32(3):187-90.
Hurst J, Johnson D, Law C, Schweitzer K, Sharma S. Value of subjective visual reduction in patients with acute-onset floaters and/or flashes. Can J Ophthalmol. 2015 Aug;50(4):265-8.
Belliveau MJ, Johnson D. Orbital compartment syndrome after head trauma. Lancet Neurol. 2015 Feb;14(2):136-7.
Leung C, Johnson D, Pang R, Kratky V. Identifying predictive morphologic features of malignancy in eyelid lesions. Can Fam Physician. 2015 Jan;61(1):e43-9.
Johnson D, Jagan L, Kurji A, Jumaa K, Sharma S. Emergency department visits after intravitreal bevacizumab and ranibizumab injections in diabetic patients. Can J Ophthalmol. 2014 Dec;49(6):e146-8.
Williams B, Johnson D, Hurst J, Kratky V. Patterns and causes of epiphora referrals to a tertiary oculoplastic practice. Can J Ophthalmol. 2014 Apr;49(2):180-2.
Hurst J, Johnson D, Campbell R, Baxter S, Kratky V. Orbital compartment syndrome in a burn patient without aggressive fluid resuscitation. Orbit. 2014 Oct;33(5):375-7.
Hollands H, Johnson D, Hollands S, Simel DL, Jinapriya D, Sharma S. Do findings on routine examination identify patients at risk for primary open-angle glaucoma? The rational clinical examination systematic review. JAMA. 2013 May 15;309(19):2035-42.
Johnson D, Warder D, Plourde ME, Brundage M, ten Hove M. Orbital metastasis secondary to merkel cell carcinoma: case report and literature review. Orbit. 2013 Aug;32(4):263-5.
Johnson D, Sharma S. Ocular and systemic safety of bevacizumab and ranibizumab in patients with neovascular age-related macular degeneration. Curr Opin Ophthalmol. 2013 May;24(3):205-12.
Sharma S, Johnson D, Abouammoh M, Hollands S, Brissette A. Rate of serious adverse effects in a series of bevacizumab and ranibizumab injections. Can J Ophthalmol. 2012 Jun;47(3):275-9
Jinapriya D, Almeida DR, Johnson D, Irrcher I, El-Defrawy SR. Anaesthetic plus dilating gel improves pupil dilation for cataract surgery. Can J Ophthalmol. 2012 Apr;47(2):145-9.
Johnson D, Hollands H. Acute-onset floaters and flashes. CMAJ. 2012 Mar 6;184(4):431
Johnson D, Hollands H, Hollands S, Sharma S. Incidence and characteristics of acute intraocular inflammation after intravitreal injection of bevacizumab: a retrospective cohort study. Can J Ophthalmol.2010 Jun;45(3):239-42.
Johnson D, Hollands S, Hollands H, Schweitzer K, Almeida D, Sharma S. Quality of life amongst American vs. Canadian patients with retinal diseases. Curr Opin Ophthalmol. 2010 May;21(3):227-32.
Hollands H, Johnson D, Brox AC, Almeida D, Simel DL, Sharma S. Acute-onset floaters and flashes: is this patient at risk for retinal detachment? JAMA. 2009 Nov 25;302(20):2243-9.
Work in Progress
Johnson D, Alattas K, Abouammoh M, Sharma S. RELOAD of ranibizumab for neovascular AMD: Results of a 4 year real-world effectiveness study. [Submitted to British Journal of Ophthalmology]
Johnson D, Tse Y, Brissette A, Moss E, Pang S, Al-Malki M, Sharma S. Systemic absorption of bevacizumab and ranibizumab in humans treated for macular edema [Submitted to JAMA Ophthalmology].
Johnson D, Winterborn A, Kratky V. Efficacy of intravenous mannitol in the management of orbital compartment syndrome; a non-human primate model. Oral presentation at ASOPRS 2014 Fall Scientific Meeting (Chicago, USA). October 17, 2014.
Johnson D, El-Defrawy S, Hollands S, Hurst J, Law C, Li C, Baxter S, Campbell E, Campbell R.. Drug prescribing patterns of optometrists in Ontario following introduction of prescribing privileges. Oral presentation at Canadian Ophthalmological Society Annual Meeting 2014 (Halifax, NS). June 6, 2014.
Johnson D, Tse Y, Brissette A, Moss E, Pang S, Al-Malki M, Sharma S. Systemic absorption of bevacizumab and ranibizumab in humans treated for macular edema. Poster presentation at Physicians Services Incorporated Annual General Meeting 2014 (Toronto ON). April 30, 2014.
Johnson D, Tse Y, Brissette A, Moss E, Pang S, Al-Malki M, Sharma S. Systemic absorption of bevacizumab and ranibizumab in humans treated for macular edema. Oral presentation at Canadian Ophthalmological Society Annual Meeting 2013 (Montreal, QC). June 16, 2013.
Johnson D, Hurst J, Law C, El-Defrawy S, Baxter S, Bona M, Schweitzer S, Campbell R. Prescribing patterns of optometrists in Ontario. Oral presentation at Resident Research Day (Department of Ophthalmology, Queen’s University). June 12, 2013.
Johnson D, Hollands H, Hollands S, Jinapriya D, Simel D, Sharma S. The Rational Clinical Examination: Do findings on my routine examination identify patients at risk for primary open angle glaucoma? Oral presentation at Resident Research Day (Department of Ophthalmology, Queen’s University). May 16, 2012.
Johnson D, Jinapriya D, Almeida D, Cheung J, El-Defrawy S. Comparison of an anesthetic and dilating gel cocktail versus the standard pre-operative pharmacologic regimen for cataract surgery on corneal anesthesia and pupil dilation. Oral presentation at Resident Research Day (Department of Ophthalmology, Queen’s University). May 1, 2009.
Johnson D, Almeida D, Campbell R. Variability of reported effect size in selective laser trabeculoplasty studies: a systematic analysis. Poster abstract presented at Canadian Ophthalmological Society Annual Meeting 2009 (Toronto, ON). June 22, 2009.