Comparative study of facial pillows used for prone positioning after a vitreous surgery

Examination of facial pillows used for prone positioning after a vitreous surgery -Crossover study in healthy subjects- - Crossover study of facial pillows used for prone positioning after a vitreous surgery

Status

Active, not recruiting

Phases

Unknown

Study type

Interventional

Source

JPRN

Registry ID

JPRN-UMIN000051936

Enrollment

Registered

2023-08-18

Start date

2023-08-18

Completion date

Unknown

Last updated

2026-06-29

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

macular hole, rhegmatogenous retinal detachment

Interventions

The U-shaped urethane face pillow The U-shaped beads face pillow The U-shaped natural rubber face pillow

Eligibility

Sex/Gender

All

Inclusion criteria

Inclusion criteria: Healthy students aged 18 to 39.

Exclusion criteria

Exclusion criteria: Subjects with difficulty maintaining the prone position due to eye disease, low back pain, stiff shoulders, poor physical condition, etc.

Design outcomes

Primary

Measure	Time frame
Face pressure	—

Secondary

Measure	Time frame
Facial redness, face temperature, muscle hardness, environmental temperature and humidity around the face, subjective distress	—

Countries

Japan

Contacts

Public ContactTomoe Yokono

Niigata University Graduate School of Health Sciences Department of Nursing

tyokono@clg.niigata-u.ac.jp0252270940

Outcome results

None listed

Source: JPRN (via WHO ICTRP) · Data processed: Jul 3, 2026