To investigate the measurement condition in pupil diameter in healthy Japanese adult male subject
- Conditions
- Healthy adult subject
- Registration Number
- JPRN-jRCT1080224775
- Lead Sponsor
- Sumitomo Dainippon Pharma Co., Ltd. / SOUSEIKAI Sumida Hospital
- Brief Summary
The measurement condition in pupil diameter set in a total of 5 stages of this study was considered to maintain a constant accuracy.
- Detailed Description
Not available
Recruitment & Eligibility
- Status
- completed
- Sex
- Male
- Target Recruitment
- 30
Healthy Japanese adult male subject between 20 and 50 years of age (inclusive) at time of informed consent.
-Subject with naked eyes, subject with contact lenses, or subject with eyeglasses identified right and left diopters of eyeglasses.
-Subject has a presence of specific phobia (nyctophobia, claustrophobia etc.).
-Subject has a history of an intraocular surgery [including LASIK (laser-assisted in-situ keratomileusis) eye surgery].
-Subject with a bifocal or over-corrected eyeglasses.
-Subject's uncorrected or corrected visual acuity is less than 0.7 in both eyes, or less than 0.3 in each eye.
Study & Design
- Study Type
- Interventional
- Study Design
- Not specified
- Primary Outcome Measures
Name Time Method other<br>-Difference in pupil diameter between each operator's 1st and 2nd main measurement within the same subject and the same luminance level<br>-Difference in pupil diameter between luminance levels within the same subject and the same main measurement
- Secondary Outcome Measures
Name Time Method other<br>No secondary outcome.