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The effect of body massage lying face down on intraocular pressure in normal eyes

Objective This study determined changes in intraocular pressure (IOP) of normal eyes during face-down body massage. Methods Forty-six participants were recruited and underwent detailed ophthalmic examination including gonioscopy, corneal pachymetry, and visual-field examination. IOP was recorded using a pneumatonometer before the massage, immediately after resuming the sitting position, and every 5 minutes thereafter until the IOP returned to baseline. Results A mean rise in IOP of 5.39 mm Hg was noted in 43 participants. There was a significant difference between baseline sitting IOP and immediately after the face-down massage (p < 0.001) and 5 minutes after the massage (p = 0.001), but not between IOP at baseline and 10 minutes after the massage (p = 0.09). Conclusion Change in body positiion, such as in face-down body massage, can lead to transient IOP rise with a mean of 5.39 mm Hg.