Abstract
BackgroundIn Canada, government insurance covers eye care services provided by ophthalmologists and other physicians. However, government coverage for services provided by optometrists, non-medical school trained primary eye care providers, varies regionally. Little is known about the impact of a funding model in which ophthalmologist services are government-insured but services provided by optometrists are not, on eye care utilization and eye disease detection and treatment. We aimed to address this question by examining geographic variations in eye care service utilization on Prince Edward Island (PEI).MethodsPEI physician-billing data from 2010 to 2012 was analyzed across five distinct geographic regions (Charlottetown, Summerside, Prince, Queens & Kings and Stratford). The residential location of patients and practice locations of eye care providers were identified using the first three digits of their respective postal code. Age-standardized rates were computed for comparisons across different regions.ResultsThere were six ophthalmologists practicing on PEI, five with offices in Charlottetown. Twenty optometrists practiced on the island with offices across the province. Stratford is closest and Prince farthest from Charlottetown. Age-standardized utilization rates of ophthalmologists per 100 populations were 10.44 in Charlottetown and 10.90 in Stratford, which was significantly higher than in other regions (7.74–8.92; p < 0.05). The disparities were most pronounced amongst the elderly. The prevalence of glaucoma visits was higher in Charlottetown (6.10%) and Stratford (6.38%) and lower in other regions. A similar pattern was observed for the prevalence of cataract visits. While the prevalence of diabetes visits was higher in Prince and Summerside, the utilization of ophthalmologists by people with diabetes was almost twice as high in Charlottetown (6.49%) than in Prince (3.88%).ConclusionsThe observed discrepancies in vision care utilization across geographic regions were likely attributed to barriers in accessing government-insured, geographically concentrated ophthalmologists, as opposed to a reflection of the true differences in eye disease occurrence. The lower prevalence of glaucoma visits in regions farther away from ophthalmologist offices may result in delayed detection and blindness in this population. Encouraging ophthalmologists to work in other areas of the province and/or to publicly fund services provided by optometrists may mitigate the observed disparities.Trial registrationNot applicable.
Highlights
In Canada, government insurance covers eye care services provided by ophthalmologists and other physicians
Study regions and practice locations of ophthalmologists and optometrists During the study period there were a total of six ophthalmologists on Prince Edward Island (PEI), 5 (83%) with offices located in Charlottetown and one in the city of Cornwall (Fig. 2)
Since optometric services were not government insured during the study period, 76,000 people, or about 54% of islanders residing outside the Greater Charlottetown Area, would have had to travel to Charlottetown, or its neighbouring city Cornwall, to receive provincially funded eye care services provided by ophthalmologists [14,15,16]
Summary
In Canada, government insurance covers eye care services provided by ophthalmologists and other physicians. Government coverage for services provided by optometrists, non-medical school trained primary eye care providers, varies regionally. Little is known about the impact of a funding model in which ophthalmologist services are government-insured but services provided by optometrists are not, on eye care utilization and eye disease detection and treatment. In Canada, despite public funding, the model for delivery of healthcare, including eye care, varies by region. This is because there are 13 different provincial/territorial health insurance plans [1]. Some Canadian provinces cover eye care services provided by ophthalmologists, other physicians and optometrists whilst others insure services provided by ophthalmologists and other physicians only [2,3,4,5,6]
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