Table 4

Changes in the prevalence of ocular onchocerciasis in the sentinel communities

Sentinel community
Presence of punctate keratitis (PK, %)
Presence of microfilariae in the anterior chamber (MfAC, %)



1989
2000
2004
1989
2000
2004

Corriente Grande
41.7
1.2
0
50.5
0
0
El Tigre
36.6
1.6
0
27.3
0
0
San Miguel
50.0
4.7
0
50.0
0
0
Playa del Oro
48.8
5.1
0
6.0
0
0
Guayabal
14.3
1.5
0
0
0
0
Angostura
21.4
0
0
14.3
0
0
Naranjal
0
0.9
0
0
0
0

The prevalence of ocular onchocerciasis of the anterior segment is provided by punctate keratitis (PK) and presence of microfilariae in the anterior chamber (MfAC).

Vieira et al. BMC Medicine 2007 5:9   doi:10.1186/1741-7015-5-9