This prospective, single-center observational study aims to evaluate the acute effects of transitioning from mechanical ventilation to spontaneous breathing on intraocular pressure (IOP) in intensive care unit patients. Forty adult patients receiving invasive mechanical ventilation and undergoing weaning will be enrolled. IOP will be measured non-invasively before and after the transition, without any intervention beyond routine clinical care. The primary objective is to determine whether spontaneous breathing after mechanical ventilation causes significant changes in IOP. Findings may provide insights into ocular physiology during weaning and contribute to the safe management of critically ill patients, particularly those with ocular risk factors.
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Change in Intraocular Pressure (IOP) Before and After Transition to Spontaneous Breathing
Timeframe: Within 2 hours before and within 2 hours after ventilator weaning (transition to spontaneous breathing)