[Effect of physical and psychological stress on the course of primary open angle glaucoma].

Purpose: Analyzing how mutch mental or physical stress influences the elevation of intraocular pressure (lOP) and therefore the influence of stress over the progress of primary open angle glaucoma (POAG), monitoring the changes of the glaucoma parameters that occur either under stress or under normal life conditions.

Methods: Observational analytical prospective nonexposed-exposed study that took place over a period of 18 months and reviewed 151 patients.

Results: Of the 64 patients that had mental stress before presenting to the doctor, in 47 (73%) of them, were foud increased lOP and visual field changes at regular consultation and 17 (27%) have experienced mental stress without increasing lOP values or any visual field change.

[Dry eye syndrome and the PC screen].

Objective: To study the correlation between PC screen exposure of over 8 hours and Dry Eye Syndrome in 18-25 years-old students.

Methods: This is a cross-sectional, cohort clinical study, carried out in March 2012 - February 2013. All subjects completed a questionnaire, underwent a slit lamp examination and measurement of visual acuity.