Prevalence of tear film hyperosmolarity in 1150 patients presenting for refractive surgery assessment
Copyright © 2021 Published by Wolters Kluwer on behalf of ASCRS and ESCRS..
PURPOSE: To present an analysis of tear film hyperosmolarity in a large, consecutive population and evaluate the correlation of ocular and systemic conditions with tear film osmolarity (TFO).
SETTING: Private practice, Sydney, Australia.
DESIGN: Single-center, retrospective, consecutive cohort.
METHOD: Patients undergoing screening for laser refractive surgery from October 2017 to October 2020 were retrospectively reviewed. 1404 patients (n = 1357 standard, n = 47 postrefractive) undergoing screening for laser refractive surgery from October 2017 to October 2020 were reviewed. Routine examination included TFO and Ocular Surface Disease Index (OSDI) questionnaire. TFO was conducted prior to further tests, and patients refrained from topical eyedrops minimum 2 hours before the appointment.
RESULTS: 1404 patients (n = 1357 standards, n = 47 postrefractive) patients were reviewed. Mean highest TFO in the standard population was 299.12 ± 11.94 mOsm/L, with 82.3% of eyes <308 mOsm/L indicating normal tear film homeostasis. The mean intereye TFO difference was 8.17 ± 8.60 mOsm/L, with 65.2% of eyes ≤8 mOsm/L. Mean highest TFO in the postrefractive subgroup was 299.72 ± 11.00 mOsm/L, with a mean intereye difference of 9.02 ± 6.92 mOsm/L. Postrefractive surgery patients indicated higher mean OSDI values of 15.28 ± 14.46 compared with the remainder of the population 9.69 ± 10.56 (P = .012). Significant correlation was demonstrated between TFO scores and OSDI normal classification in the standard population only (P = .005, r = 0.077). The use of contact lens correlated inversely with TFO and OSDI scores (P = .000, r = -0.136, and P = .000, r = -0.152, respectively).
CONCLUSIONS: To the authors' knowledge, this study represents the largest available cohort of TFO scores in a standard population presenting for refractive surgery. Although most patients were found to fall within normal ranges, a reasonable percentage were diagnosed with tear hyperosmolarity and therefore at risk for dry eye disease.
| Medienart: |
E-Artikel |
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| Erscheinungsjahr: |
2022 |
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| Erschienen: |
2022 |
| Enthalten in: |
Zur Gesamtaufnahme - volume:48 |
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| Enthalten in: |
Journal of cataract and refractive surgery - 48(2022), 4 vom: 01. Apr., Seite 387-392 |
| Sprache: |
Englisch |
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| Beteiligte Personen: |
Xuan, Rachel [VerfasserIn] |
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| Links: |
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| Anmerkungen: |
Date Completed 08.04.2022 Date Revised 18.04.2022 published: Print Citation Status MEDLINE |
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| doi: |
10.1097/j.jcrs.0000000000000771 |
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| funding: |
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| Förderinstitution / Projekttitel: |
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| PPN (Katalog-ID): |
NLM329369121 |
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| 245 | 1 | 0 | |a Prevalence of tear film hyperosmolarity in 1150 patients presenting for refractive surgery assessment |
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| 500 | |a Date Revised 18.04.2022 | ||
| 500 | |a published: Print | ||
| 500 | |a Citation Status MEDLINE | ||
| 520 | |a Copyright © 2021 Published by Wolters Kluwer on behalf of ASCRS and ESCRS. | ||
| 520 | |a PURPOSE: To present an analysis of tear film hyperosmolarity in a large, consecutive population and evaluate the correlation of ocular and systemic conditions with tear film osmolarity (TFO) | ||
| 520 | |a SETTING: Private practice, Sydney, Australia | ||
| 520 | |a DESIGN: Single-center, retrospective, consecutive cohort | ||
| 520 | |a METHOD: Patients undergoing screening for laser refractive surgery from October 2017 to October 2020 were retrospectively reviewed. 1404 patients (n = 1357 standard, n = 47 postrefractive) undergoing screening for laser refractive surgery from October 2017 to October 2020 were reviewed. Routine examination included TFO and Ocular Surface Disease Index (OSDI) questionnaire. TFO was conducted prior to further tests, and patients refrained from topical eyedrops minimum 2 hours before the appointment | ||
| 520 | |a RESULTS: 1404 patients (n = 1357 standards, n = 47 postrefractive) patients were reviewed. Mean highest TFO in the standard population was 299.12 ± 11.94 mOsm/L, with 82.3% of eyes <308 mOsm/L indicating normal tear film homeostasis. The mean intereye TFO difference was 8.17 ± 8.60 mOsm/L, with 65.2% of eyes ≤8 mOsm/L. Mean highest TFO in the postrefractive subgroup was 299.72 ± 11.00 mOsm/L, with a mean intereye difference of 9.02 ± 6.92 mOsm/L. Postrefractive surgery patients indicated higher mean OSDI values of 15.28 ± 14.46 compared with the remainder of the population 9.69 ± 10.56 (P = .012). Significant correlation was demonstrated between TFO scores and OSDI normal classification in the standard population only (P = .005, r = 0.077). The use of contact lens correlated inversely with TFO and OSDI scores (P = .000, r = -0.136, and P = .000, r = -0.152, respectively) | ||
| 520 | |a CONCLUSIONS: To the authors' knowledge, this study represents the largest available cohort of TFO scores in a standard population presenting for refractive surgery. Although most patients were found to fall within normal ranges, a reasonable percentage were diagnosed with tear hyperosmolarity and therefore at risk for dry eye disease | ||
| 650 | 4 | |a Journal Article | |
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| 700 | 1 | |a Sutton, Gerard |e verfasserin |4 aut | |
| 700 | 1 | |a Hodge, Chris |e verfasserin |4 aut | |
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