[Optic correction of asthenopia in emmetropic subjects by means of the polatest].
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Soft tissue fixation to bone is a basic technique of orthopaedic surgery for which a multitude of devices have been developed. A new class of orthopaedic devices termed "suture anchors" has been developed to secure soft tissues to bone using suture material. The suture anchor is designed to allow quick and secure fixation without the need for extensive exposure. This device was tested using in vitro and in vivo models and found to be comparable with standard transosseous and two-pronged stable techniques. This device should prove useful in allowing the versatility of suture fixation of soft tissues to bone without the technical requirements of constructing transosseous suture tunnels.
BACKGROUND: Optical Coherence Tomography (OCT) is becoming an increasingly integral part of ophthalmological clinical practice. The accurate interpretation of OCT images is important both in terms of diagnosis and in directing subsequent management. The aim of this study was to determine the clinical competence in OCT image interpretation of ophthalmologists in different subspecialties and grades. METHODS: Eight OCT images demonstrating a single macular pathology and two normal scans were selected by case notes review. These ten images were shown to thirty doctors and 10 non-medical staff from eight units. They were asked to identify each lesion, the average thickness of the lesion, and the axis at which the OCT was taken. One point was awarded for each correct answer. RESULTS: The mean scores for the correct qualitative identification of the OCT lesion (with a maximum score of 10) for different grades of doctors and non-medical staff were as follows: medical retinal consultants (MRC), 9 (range, 8-10); vitreoretinal consultants (VRC), 7 (range, 6-9); non-retinal consultants (NRC), 4 (range, 2-6); vitreoretinal fellows (VRF), 4 (range, 3-7); specialist registrars (SpR), 3 (range, 2-5); senior house officers (SHO), 4 (range, 3-6); orthoptists, 1 (range, 0-1); ancillary staff, 2 (range, 0-3). CONCLUSION: A wide range in the ability to accurately interpret OCT images has been demonstrated. All doctors would thereby benefit from further training in the interpretation of OCT scans.