Purpose: To evaluate the effect of night shifts on the biomechanical properties of the cornea using Scheimpflug camera-based imaging (Corvis and Pentacam).
Methods: Thirty-four participants from the medical staff who had at least six night shifts per month as a case group and fifty-two participants as a control group participated in the study. The biomechanical characteristics of the cornea using the Corvis device and the topographical characteristics of the cornea using the Pentacam device were investigated in the participants.
Results: The main indices of corneal biomechanics including Corvis Biomechanical Index (0.17 ± 0.18 vs. 0.15 ± 0.14; = 0.66 [adjusted] and 0.66 [unadjusted]) and Tomographic and Biomechanical Index (0.16 ± 0.19 vs. 0.14 ± 0.19; = 0.78 [adjusted] and 0.63 [unadjusted]) were not significantly different between case and control groups.
Conclusion: Our study showed that night shifts do not independently affect corneal biomechanical indices.
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http://dx.doi.org/10.4103/joco.joco_196_23 | DOI Listing |
Br J Oral Maxillofac Surg
December 2024
Department of Oral & Maxillofacial Surgery, King's College Hospital, London, SE5 9RS, United Kingdom. Electronic address:
Attaining degrees in both medicine and dentistry to forge a career in Oral and Maxillofacial Surgery (OMFS) comes at a considerable financial cost. To fund a second degree most must work alongside their full-time studies. This study aims to assess the current working roles and patterns of those qualified in dentistry, studying medicine to pursue a career in OMFS.
View Article and Find Full Text PDFInt Nurs Rev
March 2025
School of Nursing and Midwifery, Queen's University Belfast, Belfast, UK.
Aim: To investigate the associations between nurse staffing levels, nurse educational level, and nurse-sensitive patient outcomes among patients in medical and surgical wards.
Background: Patient outcomes are affected by a variety of factors, including nurse staffing and registered nurse (RN) educational levels. An examination of the associations between these factors and patient outcomes will help identify the impact that nurses make on patient care, including health and safety.
Front Plant Sci
December 2024
Department of Cell and Systems Biology, University of Toronto, Toronto, ON, Canada.
Drought conditions severely curtail the ability of plants to accumulate biomass due to the closure of stomata and the decrease of photosynthetic assimilation rate. Additionally, there is a shift in the plant's metabolic processes toward the production of metabolites that offer protection and aid in osmoadaptation, as opposed to those required for development and growth. To limit water loss via non-stomatal transpiration, plants adjust the load and composition of cuticle waxes, which act as an additional barrier.
View Article and Find Full Text PDFFront Psychiatry
December 2024
West China School of Nursing, Sichuan University, Chengdu, Sichuan, China.
Purpose: This study aimed to identify determinants of sleep quality and explore their adverse health outcomes among night-shift nurses in China.
Method: Through convenience sampling, this cross-sectional study enrolled a total of 711 night-shift nurses aged 20-55 years who completed questionnaires from which details regarding their sociodemographic characteristics, health-related indicators and sleep quality based on the Pittsburgh Sleep Quality Index (PSQI) were extracted. A generalized linear regression analysis was then created to identify factors influencing sleep quality.
J Biol Rhythms
January 2025
Department of Biochemistry and Structural Biology, University of Texas Health San Antonio, San Antonio, Texas.
Circadian disruption is pervasive in modern society and associated with increased risk of disease. Chronic jet lag paradigms are popular experimental tools aiming to emulate human circadian disruption experienced during rotating and night shift work. Chronic jet lag induces metabolic phenotypes tied to liver and systemic functions, yet lack of a clear definition for how rhythmic physiology is impaired under these conditions hinders the ability to identify the underlying molecular mechanisms.
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