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Intraocular Pressure Elevation during Lateral Body Posture in Side-sleeping Glaucoma Patients
Ji-Hye Park1, Chungkwon Yoo, Eunjoo Yoo1
1Department of Ophthalmology, Korea University College of Medicine, Seoul, South Korea *ckyoomd@korea.ac.kr.
Summary
Side-sleeping open-angle glaucoma (OAG) patients experienced greater intraocular pressure (IOP) increases in progressed eyes when lying on their side. This posture-induced IOP elevation was more pronounced in eyes with glaucoma progression on the dependent side.
Area of Science:
- Ophthalmology
- Glaucoma Research
- Intraocular Pressure Dynamics
Background:
- Open-angle glaucoma (OAG) management requires monitoring intraocular pressure (IOP).
- Sleep posture, particularly side-sleeping, may influence IOP in glaucoma patients.
- Understanding posture-induced IOP changes is crucial for managing OAG progression.
Purpose of the Study:
- To determine if prolonged lateral decubitus (LD) position affects IOP in side-sleeping OAG patients.
- To compare IOP variations induced by posture between OAG eyes with and without recent progression.
- To investigate the impact of sleeping on the ipsilateral side of glaucoma progression.
Main Methods:
- Twenty-eight OAG patients preferring side-sleeping were recruited.
- IOP was measured in sitting, supine, and LD positions (including prolonged LD).
- Patients used their own pillows; subgroups were based on eye progression and sleeping side correspondence.
Main Results:
- Maintaining the LD posture for 30 minutes increased IOP in the lower-sided eye by +1.6 ± 1.8 mmHg.
- Time-dependent IOP elevation was significantly greater in the dependent eye when the LD posture corresponded with glaucoma progression (+2.5 ± 1.7 mmHg).
- Progressed eyes showed greater IOP elevation in the LD posture compared to non-progressed eyes.
Conclusions:
- Progressed eyes in side-sleeping OAG patients exhibit greater IOP elevation when in the LD posture on the ipsilateral side.
- Sleeping posture can significantly impact IOP, especially in eyes with existing glaucoma progression.
- This highlights the importance of considering sleep habits in OAG management and IOP control.
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