As resources will never be sufficient for all health care activities that providers wish to deliver and what people wish to receive, we need to ask big questions and adopt a public health perspective in glaucoma and eye care. How can we create and maintain a sustainable balance between finding and treating underserved high-risk patients without burdening the broader patient population and societies with over-diagnostics and treatments? Considering numerous biases related to screening, including the variability in care practices, a high-quality RCT for the screening of glaucoma would be very challenging to organize and evaluate its universal usefulness.
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