The College of Optometrists in Vision Development checklist related to vision function: Expert opinions |
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| Authors: | W.C. Maples Richard Hoenes |
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| Affiliation: | 1. Southern College of Optometry, Memphis, Tennessee;2. Northeastern State University Department of Assessment and Institutional Research, Tahlequah, Oklahoma;1. Department of Ophthalmology, Indiana University School of Medicine, Indianapolis, Indiana;2. Concord Eye Center, Concord, New Hampshire;3. Jaeb Center for Health Research, Tampa, Florida;4. Indiana University Health Physicians, Midwest Eye Institute, Indianapolis, Indiana;5. Wilmer Eye Institute, Johns Hopkins School of Medicine, Baltimore, Maryland;6. Pediatric Ophthalmology, St. Luke''s Health System, Boise, Idaho;7. Department of Ophthalmology, Boston University School of Medicine, Boston, Massachusetts;1. University of Kansas School of Medicine, Kansas City, Kansas;2. Donna Vanier Children''s Center, Department of Infant Child Development, Salina Regional Health Center, Salina, Kansas;1. Department of Dentistry, Universidade Estadual de Montes Claros, Montes Claros, Brazil;2. Department of Medicine, Universidade Estadual de Montes Claros, Montes Claros, Brazil;3. College of Dental Medicine-Illinois, Midwestern University, Downers Grove, Illinois;1. Head, Division of Oral and Maxillofacial Surgery, Department of Surgery, University of Geneva & University Hospitals of Geneva, Geneva, Switzerland;2. Resident, Division of Oral and Maxillofacial Surgery, Unit of Oral Surgery and Implantology, Department of Surgery, University of Geneva & University Hospitals of Geneva, Geneva, Switzerland;3. Maxillofacial Surgeon, Private Practice, Fribourg, Switzerland;4. Biostatistician, CRC & Division of Clinical Epidemiology, Department of Health and Community Medicine, University of Geneva & University Hospitals of Geneva, Geneva, Switzerland;5. Head, Division of Oral and Maxillofacial Surgery, Unit of Oral and Maxillofacial Medicine and Pathology, Department of Surgery, University of Geneva & University Hospitals of Geneva, Geneva, Switzerland;1. Nottingham University Hospitals NHS Trust, Nottingham, Nottinghamshire, England;2. Pontificia Universidad Catolica de Chile, Santiago, Chile |
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| Abstract: | BackgroundThe College of Optometrists in Vision Development (COVD) Quality of Life (QOL) checklist has been reported to have good test-retest reliability. Symptom scores measured by this instrument have demonstrated validity by showing a significantly improved score with optometric vision therapy. The COVD-QOL scores inversely correlate with academic achievement on standardized tests, and the instrument has been shown to differentiate between attention deficit disorder/attention deficit hyperactivity disorder children. The individual items on the COVD-QOL have not, however, been studied as to their relationship to general areas of vision investigated by the optometric examination.MethodsTo ascertain if COVD-QOL symptoms can be related to areas of vision function, a group of 28 practicing optometrists from all parts of the United States were surveyed for their opinions. The venue was a conference whose theme was vision therapy and the functional use of lenses and prisms. All the participants offered vision therapy within their practices. They were asked to rank 5 general areas of vision skills (orientation, ocular motor, binocular, accommodation, and perception) as to whether these areas might relate to individual symptoms contained in the COVD-QOL. A frequency distribution was developed based on these results. A Likert scale was also used to compare the specific symptom (COVD-QOL item) to the opinion of the clinicians who participated. A Likert scale assumes equal separation among the 5 levels of symptom severity.ResultsThirteen items were found to have high agreement, and 11 were considered in moderate agreement when the opinions of these experts were compared. Each of the 5 areas of vision had at least 1 item with high or moderate agreement.ConclusionsExpert opinion is a reasonable first step in investigating symptoms as they relate to signs, but more study is needed to verify if these subjective relationships actually exist. |
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