Changes in ocular surface blood flow and temperature in contact lens wearers

JRCT ID: jRCTs032200159

Registered date:01/11/2020

Basic Information

• Recruitment status: Complete
• Health condition(s) or Problem(s) studied: Healthy
• Date of first enrollment: 04/11/2020
• Target sample size: 24
• Study type: Observational

Outcome(s)

• Primary Outcome: Eye surface temperature, Eye surface blood flow
• Secondary Outcome: Subjective symptoms, Slit lamp microscopy, Non invasive breakup time (NIBUT)

Key inclusion & exclusion criteria

• Age minimum: >= 20age old
• Age maximum: <= 39age old
• Gender: Both

Include criteria

1, Pearson who are 20 years old or older and 39 years old or younger and can obtain informed consent
2, Pearson who wears soft contact lenses for more than 5 days a week.
3, Pearson who has normally used contact lens power (refraction value) of -7.00D or less.
4, Pearson who can visit the hospital on the day of observation according to instructions from researchers.

Exclude criteria

1, Pearson who normally use the contact lenses (DAILIES TOTAL 1 or 1 Day Acuvue Tru Eye) used in this research
2, Pearson who normally uses contact lenses (bifocals, astigmatism) other than spherical lenses.
3, Patient with eye lesions including dry eye
4, Pearson who has a clear deterioration of subjective symptoms immediately after wearing contact lenses.
5, Pearson who is judged to be inappropriate by researchers.

Related Information

• Primary Sponsor: Hori Yuichi
• Source(s) of Monetary Support: Alcon Japan Ltd