healthy adult
Conditions
Interventions
Sponsors
Eligibility
Inclusion criteria
Inclusion criteria: (1) Healthy males and females from 20 to 59 years of age (2) Subjects feel eye fatigue while VDT work (3) Subjects have no medical history or disease that may affect the current study (4) Subjects have more than 40/40 vision for both eyes by naked eye or contact lens wearing (5) Subjects are not strong myopia, hyperopia and astigmatism (6)Subjects are not strong presbyopia (7) Subjects giving written informed consent
Exclusion criteria
Exclusion criteria: (1) Individuals who are pregnant or nursing (2)Individuals are using supplements for eye (3) Subjects have food (gelatin) allergy (4) Individuals can not open their eyes for 5 seconds (5) Subjects can not eat test foods
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| Subject's assessment of eye fatigue parameters before and after VDT work (VAS method) | — |
Secondary
| Measure | Time frame |
|---|---|
| Subject's spherical equivalent refraction, accommodative amplitude and dry eye before and after VDT work | — |
Countries
Japan
Contacts
School of Allied Health Sciences, Kitasato University Department of Orthoptics and Visual Science