Related Experiment Video
Updated: Feb 2, 2026

07:14
A Quantitative Sensory Testing Paradigm to Obtain Measures of Pain Processing in Patients Undergoing Breast Cancer Surgery
Published on: January 18, 2018
9.9K
Sensory Changes in Periocular Skin After Upper Eyelid Surgery
Tal Koval1,2, Shay Ofir1,2, Avner Belkin1,2
1Department of Ophthalmology, Meir Medical Center, Kfar Saba.
The Journal of Craniofacial Surgery
|November 28, 2018
Summary
Upper eyelid surgery, including blepharoplasty, does not significantly alter periocular cutaneous sensation. Objective and subjective measures confirm sensation remains intact, reassuring patients about potential nerve damage.
Area of Science:
- Ophthalmology
- Plastic Surgery
- Neuroscience
Background:
- Periocular cutaneous sensation is crucial for facial expression and protection.
- Upper eyelid surgery aims to improve aesthetics and function but may pose risks to sensation.
Purpose of the Study:
- To objectively and subjectively assess changes in periocular cutaneous sensation following upper eyelid surgery.
- To evaluate the impact of blepharoplasty and blepharoptosis repair on eyelid nerve sensitivity.
Main Methods:
- Prospective interventional study involving 24 patients (48 eyes) undergoing upper eyelid surgery.
- Sensation measured preoperatively and postoperatively using a Cochet-Bonnet esthesiometer.
- Statistical analysis (paired t-test) to compare sensation levels.
Main Results:
- No significant difference in objective sensation measurements between pre- and postoperative visits.
- No correlation found between surgery type, sex, or age and sensation changes.
- Over 95% of patients reported no subjective reduction in eyelid sensation.
Conclusions:
- Upper eyelid skin incision surgery does not compromise periocular cutaneous sensation.
- Patients can be reassured regarding the low risk of sensory damage from these procedures.
Related Concept Videos
Sensory Functions of the Skin
8.1K
The skin is the largest organ of the human body and plays a crucial role in our sensory perception. It contains a vast network of sensory receptors that contribute to the skin's protective function by perceiving physical, biological, and environmental cues and generating relevant responses.
There are two main categories of receptors on the skin: capsulated and non-capsulated. The non-capsulated ones are mainly the pain receptors. The capsulated ones can be further categorized based on the...
There are two main categories of receptors on the skin: capsulated and non-capsulated. The non-capsulated ones are mainly the pain receptors. The capsulated ones can be further categorized based on the...
8.1K
What is a Sensory System?
101.1K
Sensory systems detect stimuli—such as light and sound waves—and transduce them into neural signals that can be interpreted by the nervous system. In addition to external stimuli detected by the senses, some sensory systems detect internal stimuli—such as the proprioceptors in muscles and tendons that send feedback about limb position.
101.1K
Arteries of the Upper Limbs
2.3K
The subclavian artery transitions into the axillary artery as it exits the chest and enters the axillary region. This artery is critical for supplying blood to the shoulder area, including the head of the humerus, through the humeral circumflex arteries. As the vessel continues into the upper arm or brachium, it becomes the brachial artery. This artery plays a key role in vascularizing the brachial region and bifurcates at the elbow into several branches. These branches include the deep...
2.3K
Veins of Upper Limbs
4.2K
The human circulatory system, a marvel of biological engineering, is a complex network of vessels that transport blood throughout the body. Among these, the veins responsible for carrying blood from the upper limbs are divided into two categories: deep and superficial.
The deep venous system is primarily composed of the ulnar and radial veins. The ulnar vein, which drains the fingers through the superficial palmar venous arches, and the radial vein, which serves the palms via the deep palmar...
The deep venous system is primarily composed of the ulnar and radial veins. The ulnar vein, which drains the fingers through the superficial palmar venous arches, and the radial vein, which serves the palms via the deep palmar...
4.2K
Sensory Modalities
3.9K
Sensation typically is the process by which the sensory receptors and sense organs detect stimuli from the internal and external environment and transmit this information to the central nervous system for processing.
General senses refer to the broad category of sensory information detected by receptors in the body and can be further grouped into somatic and visceral senses. Somatic sensations include touch, pressure, temperature, and pain and are essential for navigating our environment and...
General senses refer to the broad category of sensory information detected by receptors in the body and can be further grouped into somatic and visceral senses. Somatic sensations include touch, pressure, temperature, and pain and are essential for navigating our environment and...
3.9K
Sensory Memory
688
Sensory memory captures information from the environment in its original form for a very brief duration, just long enough to be exposed to visual, auditory, and other senses. This type of memory is detailed and rich but quickly lost unless certain strategies are employed to transfer it into short-term or long-term memory. Sensory information is continuously bombarding the human brain, yet only a small fraction is absorbed, as most of it does not significantly impact daily life. For instance,...
688

