Related Experiment Video
Updated: Aug 30, 2025

09:36
Assessment of Child Anthropometry in a Large Epidemiologic Study
Published on: February 2, 2017
27.2K
Ten commandments for biometry in tricky situations.
Neeraj Israni1, Shruti Kochar2
1Department of Ophthalmology, Innovision Eye Hospital and Laser Centre, Mumbai, Maharashtra, India.
Indian Journal of Ophthalmology
|August 26, 2022
Summary
Accurate intraocular lens (IOL) power calculation is crucial for successful cataract surgery. This guide addresses challenging biometry cases, improving outcomes and patient satisfaction.
Area of Science:
- Ophthalmology
- Biometry
- Intraocular Lens (IOL) Power Calculation
Background:
- Increasing litigations and patient dissatisfaction in cataract surgery are linked to suboptimal outcomes.
- Accurate intraocular lens (IOL) power calculation is fundamental for achieving desired refractive results.
- Inaccurate biometry is a primary cause of patient dissatisfaction, particularly in complex cases.
Purpose of the Study:
- To familiarize ophthalmologists with cutting-edge technology and formulas for precise IOL power calculation.
- To guide surgeons in achieving target refraction in challenging cataract surgery scenarios.
- To reduce patient dissatisfaction and surgical litigations through improved IOL power calculation.
Main Methods:
- A step-by-step approach to decoding biometry in special ophthalmic conditions.
- Case-based examples illustrating solutions for complex biometry scenarios.
- Addressing challenges including poor cornea, ocular surface disorders, dry eyes, and toric IOL calculations.
Main Results:
- Provides solutions for biometry in difficult cases such as post-refractive surgery, dense cataracts, and post-retinal surgery eyes.
- Offers strategies for managing posterior corneal astigmatism, irregular corneas (keratoconus, pellucid marginal degeneration), and post-keratoplasty eyes.
- Enables achievement of target refraction in challenging biometry situations.
Conclusions:
- Implementing these biometry strategies can significantly reduce surgical litigations.
- Improved IOL power calculation leads to higher patient satisfaction and better surgical outcomes.
- Mastering biometry in special scenarios is essential for modern cataract surgery practice.
Related Concept Videos
Assessing Body Temperature - Axilla
648
Procedural Guide for Assessing Axillary Body Temperature using a Digital Thermometer:
Step 1: Perform hand hygiene and put on clean gloves to maintain infection control and prevent cross-contamination.
Step 2: Prepare the patient by explaining the procedure to ensure understanding and cooperation. Ensure privacy, expose the axilla, and inform the patient that minimal movement is crucial for an accurate reading.
Step 3: Adjust the patient’s clothing to expose only the axilla. It minimizes...
Step 1: Perform hand hygiene and put on clean gloves to maintain infection control and prevent cross-contamination.
Step 2: Prepare the patient by explaining the procedure to ensure understanding and cooperation. Ensure privacy, expose the axilla, and inform the patient that minimal movement is crucial for an accurate reading.
Step 3: Adjust the patient’s clothing to expose only the axilla. It minimizes...
648
Assessing Body Temperature - Temporal Artery
649
Here is a stepwise guide to assessing the body temperature at the temporal artery using a temporal artery thermometer
Step 1: Perform hand hygiene and don a fresh pair of gloves to prevent cross-infection and ensure patient safety.
Step 2: Explain the procedure to the patient to establish trust. Clear communication establishes trust with the patient, ensures they understand what to expect, promotes cooperation, and enhances comfort during the procedure.
Step 3: Assess the patient's...
Step 1: Perform hand hygiene and don a fresh pair of gloves to prevent cross-infection and ensure patient safety.
Step 2: Explain the procedure to the patient to establish trust. Clear communication establishes trust with the patient, ensures they understand what to expect, promotes cooperation, and enhances comfort during the procedure.
Step 3: Assess the patient's...
649
Assessing Body Temperature - Tympanic membrane
647
Assessing tympanic membrane temperature involves using a tympanic membrane thermometer (TMT). Here is a step-by-step guide:
Step 1: Begin by practicing good hand hygiene to prevent the transmission of microorganisms.
Step 2: Turn on the thermometer and wait until the ready sign appears on the screen to ensure accurate measurement.
Step 3: Slide the probe cover in place to prevent cross-contamination.
Step 4: Instruct the patient to tilt their head to the side for comfort and check for cerumen...
Step 1: Begin by practicing good hand hygiene to prevent the transmission of microorganisms.
Step 2: Turn on the thermometer and wait until the ready sign appears on the screen to ensure accurate measurement.
Step 3: Slide the probe cover in place to prevent cross-contamination.
Step 4: Instruct the patient to tilt their head to the side for comfort and check for cerumen...
647
Assessing Body Temperature - Oral
817
Here are the steps to accurately measure oral temperature using an electronic thermometer:
Step 1:
Start by practicing proper hand hygiene to prevent the spread of microorganisms.
Step 2:
Take the thermometer out of the charging unit, switch it on, and wait for the ready sign.
Step 3:
Gently slide the probe cover until a click is heard. This simple action prevents cross-contamination and ensures the correct placement of the probe cover.
Step 4:
Instruct the patient to open their mouth and place...
Step 1:
Start by practicing proper hand hygiene to prevent the spread of microorganisms.
Step 2:
Take the thermometer out of the charging unit, switch it on, and wait for the ready sign.
Step 3:
Gently slide the probe cover until a click is heard. This simple action prevents cross-contamination and ensures the correct placement of the probe cover.
Step 4:
Instruct the patient to open their mouth and place...
817
Assessing Body Temperature - Rectal
6.0K
Rectal temperature measurement is considered the most precise method for assessing core body temperature and typically registers higher than oral temperature. For adults, the rectal thermometer should be inserted 1 to 1.5 inches into the rectum to obtain the most accurate reading.
Follow these steps for rectal temperature assessment:
Step 1: Perform hand hygiene and don clean gloves to prevent cross-infection.
Step 2: Position the patient in a side-lying position to better visualize the rectal...
Follow these steps for rectal temperature assessment:
Step 1: Perform hand hygiene and don clean gloves to prevent cross-infection.
Step 2: Position the patient in a side-lying position to better visualize the rectal...
6.0K
Guidelines For Measuring Vital Signs
1.9K
Following these guidelines can help nurses accurately measure vital signs, assess changes in patient conditions, and provide timely treatment when necessary. Adhering closely to the guidelines ensures the accuracy and reliability of the results.
Before taking a patient's vital signs, a nurse would consider and assess the patient's comfort level and ensure appropriate equipment is available.
Before taking a patient's vital signs, a nurse would consider and assess the patient's comfort level and ensure appropriate equipment is available.
1.9K

