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We are grateful to Dr Sangtam for the interest in our article, and for raising 2 interesting issues for further discussion. Based on previously available data, we find it hard to draw a simple conclusion that advanced and medically uncontrolled chronic angle-closure glaucoma (CACG) eyes would have better outcomes with filtration surgery (combined phacotrabeculectomy or trabeculectomy). From our earlier study comparing phacoemulsification with phacotrabeculectomy in uncontrolled CACG eyes with cataract, combined surgery resulted in a further 2 mmHg lowering in mean intraocular pressure (IOP) and a reduction of 1.25 in (Read more...)