Impact of cooled eye drops on pain perception after phototherapeutic keratectomy
Recruiting
- Conditions
- Phototherapeutic keratectomy
- Registration Number
- DRKS00031747
- Lead Sponsor
- Augenklinik des Universitätsklinikums Frankfurt am Main
- Brief Summary
Not available
- Detailed Description
Not available
Recruitment & Eligibility
- Status
- Recruiting
- Sex
- All
- Target Recruitment
- 98
Inclusion Criteria
Complication-free phototherapeutic keratectomy with ablation profile 7mm x 5µm
Ability to understand and sign informed consent
Exclusion Criteria
regular pain medication
chronic pain
further corneal diseases (which did not lead to phototherapeutic keratectomy)
phototherapeutic keratectomy already performed on study eye or on other eye
former ocular surgeries on study eye
chronic or acute inflammation of anterior segment of the eye or former herpetic infection on study eye
systemic diseases with reduced wound healing, z.B. diabetes, systemic Lupus erythematodes
pregnancy, lactation period
Study & Design
- Study Type
- observational
- Study Design
- Not specified
- Primary Outcome Measures
Name Time Method Pain perception on numeric analog scale 0-10 at different points of time: 2 and 6 hours after operation and at 8:00 h in the first three postoperative days
- Secondary Outcome Measures
Name Time Method Pain perception on visual analog scale 0-100<br>Assessment of sensoric pain component (short form of McGill Pain Questionnaire)<br>Assessment of pain intensity (short form of McGill Pain Questionnaire)<br>Epiphora on scale 0-3<br>Foreign body sensation on scale 0-3<br>Corneal erosion on third postoperative day<br>Haze on third postoperative day<br>Necessity of additional local or systemic pain medication<br>Uncorrected (UDVA) and corrected discance visual acuity (CDVA)