Related Experiment Video
Updated: Jan 25, 2026
04:45
An Epithelial Abrasion Model for Studying Corneal Wound Healing
Published on: December 29, 2021
3.8K
Perioperative Corneal Abrasions After Nonocular Surgery: A Systematic Review.
Alexandra M Papp1, Grant A Justin2,3, Christian T Vernau4
1McChord Airman's Clinic, Madigan Army Medical Center, Joint Base Lewis McChord, Tacoma, WA.
Cornea
|April 30, 2019
Summary
Perioperative corneal abrasions after nonocular surgery are reduced by standardized ocular protection and education. While risk factors include longer procedures and general anesthesia, no definitive intraoperative eye protection standard exists.
Area of Science:
- Ophthalmology
- Surgical Safety
- Evidence-Based Medicine
Background:
- Perioperative corneal injuries are a potential complication during nonocular surgery.
- Understanding risk factors and effective interventions is crucial for patient safety.
Purpose of the Study:
- To systematically review the literature on risk factors, prevention, and treatment of perioperative corneal injuries.
- To identify current gaps in knowledge and practice regarding intraoperative ocular protection.
Main Methods:
- A systematic literature search was conducted across PubMed, Embase, and Evidence-Based Medicine Reviews.
- Included studies were epidemiological or interventional trials, assessed for quality and evidence level.
- Data on injury rates, risk factors, and interventions were analyzed.
Main Results:
- The cumulative rate of perioperative corneal abrasions was 0.64%, with individual study rates varying widely.
- Risk factors identified include longer procedures, general anesthesia, and advanced age.
- Effective treatments include ocular lubrication and erythromycin ointment; education interventions significantly decreased abrasion rates.
Conclusions:
- Standardized ocular protection, reporting, and education can minimize perioperative corneal abrasions.
- A gold standard for intraoperative ocular protection is currently lacking.
- Further research is needed to develop standardized prevention strategies and educational content.
Related Concept Videos
01:23Abrasion Resistance of Concrete
538
Abrasion resistance is an essential characteristic of concrete that determines its durability and longevity under various wear conditions. Concrete surfaces are vulnerable to different types of abrasion. For instance, surfaces may wear down due to the constant movement of vehicles or be eroded by solids carried in water, as seen in concrete canal linings. Specific tests are conducted to measure the abrasion resistance of concrete.
One such test is the revolving disc test, where three plates...
One such test is the revolving disc test, where three plates...
538
01:10Review and Preview
8.3K
In statistics, several tools are used to interpret the data. Measures of central tendency represent the characteristics of the data, such as mean, median, and mode. Additionally, measures of variance like standard deviation and range are used to find the spread of data from the mean. Relative standing measures the distance between data locations. Commonly used measures of relative standings are percentile, z score, and quartiles.
Percentiles are a type of fractile that partition data into...
Percentiles are a type of fractile that partition data into...
8.3K
01:13Review and Preview
10.9K
Data are individual items of information obtained from a population or sample. Data may be classified as qualitative (categorical), quantitative continuous, or quantitative discrete. Because it is not practical to measure the entire population in a study, researchers use samples to represent the population. A random sample is a representative group from the population chosen by using a method that gives each individual in the population an equal chance of being included in the sample. Random...
10.9K
01:20Random and Systematic Errors
14.7K
Scientists always try their best to record measurements with the utmost accuracy and precision. However, sometimes errors do occur. These errors can be random or systematic. Random errors are observed due to the inconsistency or fluctuation in the measurement process, or variations in the quantity itself that is being measured. Such errors fluctuate from being greater than or less than the true value in repeated measurements. Consider a scientist measuring the length of an earthworm using a...
14.7K
01:17Systematic Sampling Method
12.7K
Sampling is a technique to select a portion (or subset) of the larger population and study that portion (the sample) to gain information about the population. Data are the result of sampling from a population. The sampling method ensures that samples are drawn without bias and accurately represent the population. Because measuring the entire population in a study is not practical, researchers use samples to represent the population of interest.
Systematic sampling is one of the simplest methods...
Systematic sampling is one of the simplest methods...
12.7K
01:10Propagation of Uncertainty from Systematic Error
1.4K
The atomic mass of an element varies due to the relative ratio of its isotopes. A sample's relative proportion of oxygen isotopes influences its average atomic mass. For instance, if we were to measure the atomic mass of oxygen from a sample, the mass would be a weighted average of the isotopic masses of oxygen in that sample. Since a single sample is not likely to perfectly reflect the true atomic mass of oxygen for all the molecules of oxygen on Earth, the mass we obtain from this...
1.4K