The pressure inside your eye, known as intraocular pressure (IOP), can vary from hour to hour and is affected by a variety of factors including your heartbeat, the amount of fluids you drink, and your body position.
Silma siserõhk võib tunnist tundi muutuda ning seda mõjutavad mitmesugused tegurid, sealhulgas südame löögisagedus, tarbitav vedelikukogus ning kehaasend.