Introduction:

the effects of Laser peripheral iridotomy have been demonstrated; however it does not always manage to control intraocular pressure or the progression of the disease by primary angular closure.

Objective:

to analyze the factors influencing the disease progression by primary angular closure in Pinar del Rio patients treated with Laser peripheral iridotomy.

Methods:

a retrospective analytical cohort study was carried out in the Ophthalmology Service at Abel Santamaria Cuadrado General Teaching Hospital in Pinar del Río, during 2019. The target group comprised the patients diagnosed with primary angular closure disease treated with Laser peripheral iridotomy and the final sample consisted of 223 eyes from 123 patients. The statistical analysis was performed with the SPSS program.

Results:

of the sample (20,6 %) experienced disease progression, which was significantly related to the clinical form (p<0,001), age (p=0,012), anterior chamber amplitude (p<0,001), residual angular closure (p<0,001), intraocular pressure (p<0,001) and hypotensive medication (p<0,001). Sex (p=0,427), skin color (p=0,741) and axial length (p=0,549) did not show significant differences.

Conclusions:

factors influencing on the progression of the disease by primary angular closure in Pinar del Rio patients who were treated with Laser peripheral iridotomy were: the clinical form, lower anterior chamber amplitude, presence of residual angular closure and intraocular pressure higher than 18 mmHg with the use of more ocular hypotensive eye drops.

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