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Effect of contact lens replacement and manipulation on comfort

Not Applicable
Completed
Conditions
Contact lens comfort
Eye Diseases
Registration Number
ISRCTN10419752
Lead Sponsor
niversity of Manchester
Brief Summary

2015 Results article in http://www.ncbi.nlm.nih.gov/pubmed/26267853 results

Detailed Description

Not available

Recruitment & Eligibility

Status
Completed
Sex
All
Target Recruitment
30
Inclusion Criteria

1. At least 18 years old and capacity to volunteer
2. Understand rights as a research subject
3. Willing and able to ?sign a statement of informed consent
4. Willing and able to follow the protocol
5. Agree not to participate in other clinical research for the duration of this study
6. Wear daily disposable soft contact lenses and have worn them for at least 6 months
7. Symptomatic according to method by Young et al (Characterizing contact lens-related dryness symptoms in a cross-section of UK soft lens wearers. Contact Lens and Anterior Eye 2011; 34: 64–70)
8. Willing to wear contact lenses for at least 12 hours a day
9. Having a mobile phone

Exclusion Criteria

1. Systemic or ocular disorder that might affect ocular health
2. Grade 2 or greater of any anterior ocular clinical signs
3. Use of any topical medication, such as eye drops or ointment
4. Previous cataract or corneal refractive surgery
5. Corneal distortion resulting from previous hard or rigid lens wear or keratoconus
6. Pregnant or lactating
7. Diabetes
8. Infectious disease (e.g., hepatitis)
9. Immunosuppressive disease (e.g., HIV)
10. History of severe allergic reaction or anaphylaxis (a serious form of hypersensitivity that can, in rare cases, result in death)
11. Unacceptable lens fit (grade –2 or +2 on a –2 to +2 grading scale)
12. Participation in other clinical trial or research within 2 weeks before starting this study

Study & Design

Study Type
Interventional
Study Design
Not specified
Primary Outcome Measures
NameTimeMethod
Secondary Outcome Measures
NameTimeMethod
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