Introduction:

the clinic behavior of primary angular closure can range from suspected disease to advanced stages of glaucomatous damage, which can lead to blindness.

Objective:

to describe the epidemiology of primary angular closure in Pinar del Río patients by identifying the socio-demographic and ocular variables that determine its clinical type.

Methods:

a cross-sectional descriptive study was performed in Pinar del Río from 2013 to 2017. The target group consisted of 293 new cases with a diagnosis of primary angular closure in any of its clinical types. The statistical analysis was performed with the SPSS program.

Results:

mean age was 57.69 ± 7.35 years; women predominated (89.5 %) and 77.2 % evidenced a stressful situation. The average values of axial length and anterior chamber width were 21.89 ± 0.49 mm and 2.65 ± 0.27 mm. 87.03 % of the eyes showed a narrow angle. The mean basal intraocular pressure was 23.86 ± 5.81. When analyzing the socio-demographic and ocular variables in relation to the clinical type, it was found that the factors that determine its onset were: age (p<0.001), angular amplitude (p<0.001), peripheral anterior synechia (p<0.001) and intraocular pressure (p<0.001). Linear regression analysis confirmed these results.

Conclusion:

primary angular closure is common in middle-aged women under stress; with small eyes, camerular angle and narrow anterior chamber. Age, angular amplitude, peripheral anterior synechiae, and basal intraocular pressure determine the clinical type of the disease.

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