Arch Ophthalmol Chic
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Arch Ophthalmol Chic · Jan 2004
Randomized Controlled Trial Comparative Study Clinical TrialA randomized prospective clinical trial comparing laser subepithelial keratomileusis and photorefractive keratectomy.
To compare laser subepithelial keratomileusis (LASEK) and photorefractive keratectomy (PRK) in different eyes of the same subjects for subjective pain level, visual acuity, and corneal epithelial healing. ⋯ Laser subepithelial keratomileusis and PRK have similar postoperative pain thresholds and visual acuity recordings. However, the epithelial healing pattern for LASEK and PRK differs. No additional clinical benefit is seen from the LASEK procedure relative to the PRK procedure.
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To investigate decision making by patients on the day before cataract surgery and to evaluate to what extent the informed consent process influences the patients' decision regarding consent. ⋯ Informed consent 1 day preoperatively does not seem to influence the decision for cataract surgery. Cognitive dissonance as part of a decision-making process makes changes in an already chosen option unlikely. The resulting limited decisive potential is very important for credibility in a trial and has to be considered in ophthalmologic surgery.