Table 4. Frequency and percentage distribution of pre and post-test knowledge scores of old age peoples regarding control and prevention of cataract.

S.NO.	Level of knowledge	Range of marks	Pre Test		Post Test
			F	%	F	%
1	Inadequate	0-10	23	46	0	0
2	Moderately adequate	10-20	26	52	23	46
3	Adequate	21-30	1	2	27	54
4	Total		50	100	50	100
						N=50