Research Article

The Aqueous Stem Bark Extract of Alstonia boonei Exhibits Anticataract Activity in Sprague Dawley Rat

Table 1

Assessment of degree of lens opaqueness.

ScoreDescription

0Clear lens with no presence of vacuoles
1Clear lens with less than 3 vacuoles
2Clear lens with more than 3 vacuoles
3Vacuoles covering entire lens surface
4Incomplete opacity of lens
5Complete lens opacity