Table 4.

Post-operative visual acuity in different post-operative time brackets and compared with RCOphth NOD benchmarks from 2017

	Cases with visual acuity measurement within 14 days to 4 months post-operative	Cases with visual acuity measurement within 1 day to 6 months post-operative	RCOphth NOD Benchmarks (using 14 days to 4 months)
Percentage of eyes with pre- and post-operative data in our cohort	83%	98%
≤6/6	39.1%	40.8%	39%
≤6/12	89.9%	90.7%	88.6%
≤6/24	96.5%	96.8%	95.9%

RCOphth NOD Royal College of Ophthalmologists’ National Ophthalmology Database