Table 4.

Readability analysis of websites.

	WebMD	AAO	Medical News Today	AAPOS	Johns Hopkins University	Mayo Clinic	Wikipedia	All About Vision	MedicineNet	EyeWiki	NANOS
Flesch Reading Ease	70.50	64.20	55.80	39.30	6.00	45.80	23.60	42.40	28.00	31.20	46.00
Average Reading Grade Level	7.75	8.83	10.48	13.375	9.88	11.48	15.55	12.48	15.25	13.8	12.05
Average Reading Grade Level, SD	1.24	1.39	1.14	0.78	1.40	1.12	0.91	0.85	1.42	0.91	1.16
Average Reading Grade Level, 95% CI	5.78–9.72	6.62–11.03	8.65–12.30	12.13–14.62	7.65–12.10	9.69–13.26	14.10–17.00	11.12–13.83	13.00–17.50	12.36–15.24	10.21–13.89