A study on objective findings and subjective symptoms in asthenopia after VDT work
Not Applicable
- Conditions
- Healthy adult
- Registration Number
- JPRN-UMIN000028164
- Lead Sponsor
- Senju Pharmaceutical Co., Ltd. Clinical Resarch Management Group,
- Brief Summary
Not available
- Detailed Description
Not available
Recruitment & Eligibility
- Status
- Complete: follow-up complete
- Sex
- All
- Target Recruitment
- 100
Inclusion Criteria
Not provided
Exclusion Criteria
1. A person with myopia exceeding -6 D 2. A person with hyperopia 3. A person who is taking measures against presbyopia (use of reading glasses or bifocal glasses, always removing eyeglasses for VDT work, etc) 4. People who have undergone surgery of LASIK 5. Person who is aware of intense astigmatism 6. Person who is inserting multifocal intraocular lens
Study & Design
- Study Type
- Interventional
- Study Design
- Not specified
- Primary Outcome Measures
Name Time Method Correlation between the differences of the accommodative microfluctuation (HFC67cm) value and the VAS value in the morning and the evening
- Secondary Outcome Measures
Name Time Method 1. Correlation between the differences of the value of HFC1 , HFC2 and the average of HFC value and the VAS value in the morning and the evening 2. Changes of HFC 1, HFC 67 cm, HFC 2, the average of HFC value (HFC parameters) in the morning and evening 3. Presence or absence of background factors affecting changes of HFC parameters in the morning and evening