Effects of lutein/ zeaxanthin on eye health, eye strain, sleep quality, and attention in high electronic screen users
- Conditions
- Eye healthSleep qualityAttentionEye - Normal eye development and functionNeurological - Studies of the normal brain and nervous system
- Registration Number
- ACTRN12623000427673
- Lead Sponsor
- Clinical Research Australia
- Brief Summary
Not available
- Detailed Description
Not available
Recruitment & Eligibility
- Status
- Active, not recruiting
- Sex
- All
- Target Recruitment
- 70
1. Generally healthy adults (male and female) 18 to 65 years
2. Spends at least 6 hours a day viewing a screen at a distance of 1 metre or less
3. Non-smoker
4. BMI between 18 and 30 kg/m2
5. No plan to commence new treatments over the study period
6. Willing to maintain current diet, exercise, and supplement regimen during the study period
7. If wearing spectacles for vision, best corrected visual acuity must be 6/6
8. Understand, willing and able to comply with all study procedures
9. Willing to provide a personally signed and dated informed consent form detailing all pertinent aspects of the trial.
1. Ocular disorders including but not limited to cataract, corneal diseases, ocular surface disorders, glaucoma, retinal disease, and myopia (except mild to moderate severity)
2. Undergone eye surgery in the past
3. Wear contact lenses more than 3 days a week
4. Suffering from a recently diagnosed or uncontrolled medical condition including but not limited to: diabetes, hyper/hypotension, cardiovascular disease, gastrointestinal disease, gallbladder disease/gallstones/biliary disease, rheumatoid arthritis or another autoimmune disease, asthma, seasonal allergies, or endocrine disease.
5. Diagnosis of medical or psychiatric conditions including but not limited to: psychiatric disorder (other than mild-to-moderate depression or anxiety), neurological disease (Parkinson’s, Alzheimer’s disease, intracranial haemorrhage, head or brain injury), or cancer/malignancy
6. Regular medication intake including but not limited to steroid medications, hormone replacement therapy, eye drops, antihistamines, beta-blockers, or tricyclic antidepressants.
7. Change in medication in the last 3 months or an expectation to change during the study duration
8. Taking vitamins, herbal, or other nutritional supplements that are reasonably expected to influence study measures.
9. Current or 12-month history of illicit drug abuse
10. Alcohol intake greater than 14 standard drinks per week
11. Women who are pregnant, breastfeeding, or intend to fall pregnant in the next 6 months
12. Any significant surgeries over the last year
13. Planned major lifestyle change in the next 6 months
Study & Design
- Study Type
- Interventional
- Study Design
- Not specified
- Primary Outcome Measures
Name Time Method
- Secondary Outcome Measures
Name Time Method