Pub Date : 2000-03-01DOI: 10.1016/S0892-8967(01)00047-5
Richard M. Hill OD, PhD (Contributing Editor)
{"title":"Different eyes, different responses: part 1. How different?","authors":"Richard M. Hill OD, PhD (Contributing Editor)","doi":"10.1016/S0892-8967(01)00047-5","DOIUrl":"10.1016/S0892-8967(01)00047-5","url":null,"abstract":"","PeriodicalId":80286,"journal":{"name":"International contact lens clinic (New York, N.Y.)","volume":"27 2","pages":"Pages 53-54"},"PeriodicalIF":0.0,"publicationDate":"2000-03-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1016/S0892-8967(01)00047-5","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"56181968","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Pub Date : 2000-03-01DOI: 10.1016/S0892-8967(01)00057-8
N.Rex Ghormley OD (FAAO)
{"title":"Farewell editorial","authors":"N.Rex Ghormley OD (FAAO)","doi":"10.1016/S0892-8967(01)00057-8","DOIUrl":"https://doi.org/10.1016/S0892-8967(01)00057-8","url":null,"abstract":"","PeriodicalId":80286,"journal":{"name":"International contact lens clinic (New York, N.Y.)","volume":"27 2","pages":"Page 32"},"PeriodicalIF":0.0,"publicationDate":"2000-03-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1016/S0892-8967(01)00057-8","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"137002525","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Pub Date : 2000-03-01DOI: 10.1016/S0892-8967(01)00053-0
Richard M. Hill OD, PhD (Contributing Editor)
{"title":"Different eyes, different responses: part 2. How predictable?","authors":"Richard M. Hill OD, PhD (Contributing Editor)","doi":"10.1016/S0892-8967(01)00053-0","DOIUrl":"10.1016/S0892-8967(01)00053-0","url":null,"abstract":"","PeriodicalId":80286,"journal":{"name":"International contact lens clinic (New York, N.Y.)","volume":"27 2","pages":"Pages 55-56"},"PeriodicalIF":0.0,"publicationDate":"2000-03-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1016/S0892-8967(01)00053-0","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"56182388","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Pub Date : 2000-03-01DOI: 10.1016/S0892-8967(01)00052-9
M.J. Giráldez, E. Yebra-Pimentel, M.A. Parafita, S. Escandón, A. Cerviño, M.V. Pérez
In this study we compare three different keratometric methods normally used in contact lens fitting to assesses the effect of contact lenses on corneal curvature. Measurements were obtained from 100 normal eyes using a Javal ophthalmometer, an Nidek autokeratometer, and Corneal Analysis System (EyeSys) to compare the keratometric readings obtained by these three instruments. Using regression analysis and bias (the mean of the difference compared with zero), we found good agreement among the instruments. However, the 95% confidence limits showed a lack of agreement between them. Although the differences between instruments were clinically acceptable, relevant differences were found using the 95% confidence limits. We should not assume that the results of the different keratometric systems can be interchanged in contact lens fitting and follow-up examinations.
{"title":"Comparison of keratometric values of healthy eyes measured by javal keratometer, nidek autokeratometer, and corneal analysis system (EyeSys)","authors":"M.J. Giráldez, E. Yebra-Pimentel, M.A. Parafita, S. Escandón, A. Cerviño, M.V. Pérez","doi":"10.1016/S0892-8967(01)00052-9","DOIUrl":"10.1016/S0892-8967(01)00052-9","url":null,"abstract":"<div><p>In this study we compare three different keratometric methods normally used in contact lens fitting to assesses the effect of contact lenses on corneal curvature. Measurements were obtained from 100 normal eyes using a Javal ophthalmometer, an Nidek autokeratometer, and Corneal Analysis System (EyeSys) to compare the keratometric readings obtained by these three instruments. Using regression analysis and bias (the mean of the difference compared with zero), we found good agreement among the instruments. However, the 95% confidence limits showed a lack of agreement between them. Although the differences between instruments were clinically acceptable, relevant differences were found using the 95% confidence limits. We should not assume that the results of the different keratometric systems can be interchanged in contact lens fitting and follow-up examinations.</p></div>","PeriodicalId":80286,"journal":{"name":"International contact lens clinic (New York, N.Y.)","volume":"27 2","pages":"Pages 33-40"},"PeriodicalIF":0.0,"publicationDate":"2000-03-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1016/S0892-8967(01)00052-9","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"56182304","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Pub Date : 2000-03-01DOI: 10.1016/S0892-8967(01)00055-4
M.Soledad Marqués- Calvo PhD
Fungal colonization of 330 hydrophilic contact lenses obtained from wearers was investigated. In vitro cultures from lens care solutions and observations by optical and scanning electron microscopy (SEM) of lenses were used to study the morphology of the fungal colonies, identify the invading fungi taxonomically, and investigate fungal growth and subsequent biodegradation in the lenses. The fungal invasion occured in 39 lenses (11.82%). Filamentous fungi of different genera were identified as colonizers. Gliomastix, Humicola, and Phoma are new to the literature. The frequency of fungal colonization was significantly higher in lenses with higher water content. Yeasts did not grow in vitro. To avoid possible fungal contamination, it is important that wearers carefully clean and disinfect lenses and storage cases and keep the two lenses in separate cases.
{"title":"Fungal growth in hydrophilic contact lenses","authors":"M.Soledad Marqués- Calvo PhD","doi":"10.1016/S0892-8967(01)00055-4","DOIUrl":"10.1016/S0892-8967(01)00055-4","url":null,"abstract":"<div><p><span><span>Fungal colonization of 330 hydrophilic contact lenses obtained from wearers was investigated. In vitro cultures from lens care solutions and observations by optical and scanning electron microscopy (SEM) of lenses were used to study the morphology of the fungal colonies, identify the invading fungi taxonomically, and investigate </span>fungal growth and subsequent biodegradation in the lenses. The fungal invasion occured in 39 lenses (11.82%). Filamentous fungi of different genera were identified as colonizers. Gliomastix, Humicola, and </span>Phoma are new to the literature. The frequency of fungal colonization was significantly higher in lenses with higher water content. Yeasts did not grow in vitro. To avoid possible fungal contamination, it is important that wearers carefully clean and disinfect lenses and storage cases and keep the two lenses in separate cases.</p></div>","PeriodicalId":80286,"journal":{"name":"International contact lens clinic (New York, N.Y.)","volume":"27 2","pages":"Pages 41-46"},"PeriodicalIF":0.0,"publicationDate":"2000-03-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1016/S0892-8967(01)00055-4","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"56182870","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Pub Date : 2000-03-01DOI: 10.1016/S0892-8967(01)00056-6
Renée E. Reeder, Pamela J. Boyce, Renée Mika
Twenty percent of contact lens patients exhibit dry-eye symptoms. The purpose of this study was to determine if either of two innovative lens designs would perform better for these patients than their habitual lenses. The sample consisted of 10 symptomatic soft contact lens patients. Each patient was dispensed one pair of study lenses: one B&L Soflens 66 and one Proclear Compatibles. All patients completed symptom surveys on their habitual lenses and the test lenses. Data were analyzed with the Student t-test. Both the Soflens 66 and Compatibles provided fewer symptoms than the patients’ habitual lenses (p < 0.005). Results suggest newer lens designs may provide greater comfort for symptomatic patients.
{"title":"The performance of two different hydrogel lenses in symptomatic dry-eye contact lens patients","authors":"Renée E. Reeder, Pamela J. Boyce, Renée Mika","doi":"10.1016/S0892-8967(01)00056-6","DOIUrl":"10.1016/S0892-8967(01)00056-6","url":null,"abstract":"<div><p><span>Twenty percent of contact lens patients exhibit dry-eye symptoms. The purpose of this study was to determine if either of two innovative lens designs would perform better for these patients than their habitual lenses. The sample consisted of 10 symptomatic soft contact lens patients. Each patient was dispensed one pair of study lenses: one B&L Soflens 66 and one Proclear Compatibles. All patients completed symptom surveys on their habitual lenses and the test lenses. Data were analyzed with the Student </span><em>t</em>-test. Both the Soflens 66 and Compatibles provided fewer symptoms than the patients’ habitual lenses (p < 0.005). Results suggest newer lens designs may provide greater comfort for symptomatic patients.</p></div>","PeriodicalId":80286,"journal":{"name":"International contact lens clinic (New York, N.Y.)","volume":"27 2","pages":"Pages 47-51"},"PeriodicalIF":0.0,"publicationDate":"2000-03-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1016/S0892-8967(01)00056-6","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"56182910","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Pub Date : 2000-01-01DOI: 10.1016/S0892-8967(00)00040-7
Richard M Hill PhD (OD, Contributing Editor)
{"title":"Four views of hypoxia …, but which is best? Part 3. Using PMMA (Dk = 0) as a reference","authors":"Richard M Hill PhD (OD, Contributing Editor)","doi":"10.1016/S0892-8967(00)00040-7","DOIUrl":"10.1016/S0892-8967(00)00040-7","url":null,"abstract":"","PeriodicalId":80286,"journal":{"name":"International contact lens clinic (New York, N.Y.)","volume":"27 1","pages":"Pages 22-23"},"PeriodicalIF":0.0,"publicationDate":"2000-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1016/S0892-8967(00)00040-7","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"56180692","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Pub Date : 2000-01-01DOI: 10.1016/S0892-8967(01)00054-2
N.Rex Ghormley (OD, FAAO)
{"title":"The future of contact lenses—viewpoints from the contact lens industry","authors":"N.Rex Ghormley (OD, FAAO)","doi":"10.1016/S0892-8967(01)00054-2","DOIUrl":"10.1016/S0892-8967(01)00054-2","url":null,"abstract":"","PeriodicalId":80286,"journal":{"name":"International contact lens clinic (New York, N.Y.)","volume":"27 1","pages":"Pages 3-5"},"PeriodicalIF":0.0,"publicationDate":"2000-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1016/S0892-8967(01)00054-2","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"56182484","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
The study was designed in order to evaluate the tear film characteristics of elite athletes in four sports and compare them with those of a sedentary population. The effects of training on the tear film was studied. Methods: Quantitative (red phenol thread and meniscus height) and qualitative (TTT and BUT) tests were conducted on a group of students and a group of elite athletes, before and after a training session. Results: Both groups presented similar tear film characteristics. Training was found to lead to an alteration of tear film characteristics. Especially relevant were the differences encountered in BUT and tear meniscus height measurements. Discussion: The results of four different sport categories are analysed and conclusions are drawn concerning the type of contact lens most appropriate for each particular sport.
{"title":"Sportsvision: comparative study of the characteristics of the tear film","authors":"Lluı̈sa Quevedo (OD, Psychologist), Genı́s Cardona PhD (OD), Joan Solé PhD, Carme Serés (OD, FIACLE), Montserrat Augé MSc (OD, FIACLE)","doi":"10.1016/S0892-8967(01)00045-1","DOIUrl":"10.1016/S0892-8967(01)00045-1","url":null,"abstract":"<div><p>The study was designed in order to evaluate the tear film characteristics of elite athletes in four sports and compare them with those of a sedentary population. The effects of training on the tear film was studied. Methods: Quantitative (red phenol thread and meniscus height) and qualitative (TTT and BUT) tests were conducted on a group of students and a group of elite athletes, before and after a training session. Results: Both groups presented similar tear film characteristics. Training was found to lead to an alteration of tear film characteristics. Especially relevant were the differences encountered in BUT and tear meniscus height measurements. Discussion: The results of four different sport categories are analysed and conclusions are drawn concerning the type of contact lens most appropriate for each particular sport.</p></div>","PeriodicalId":80286,"journal":{"name":"International contact lens clinic (New York, N.Y.)","volume":"27 1","pages":"Pages 6-11"},"PeriodicalIF":0.0,"publicationDate":"2000-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1016/S0892-8967(01)00045-1","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"56181787","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Pub Date : 2000-01-01DOI: 10.1016/S0892-8967(01)00044-X
Richard M Hill Ph.D. (O.D.)
{"title":"Four views of hypoxia …, but which is best? Part 4. A proportional relief display","authors":"Richard M Hill Ph.D. (O.D.)","doi":"10.1016/S0892-8967(01)00044-X","DOIUrl":"10.1016/S0892-8967(01)00044-X","url":null,"abstract":"","PeriodicalId":80286,"journal":{"name":"International contact lens clinic (New York, N.Y.)","volume":"27 1","pages":"Pages 24-25"},"PeriodicalIF":0.0,"publicationDate":"2000-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1016/S0892-8967(01)00044-X","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"56181736","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
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