Search research articles

ABOUT JoVE

Overview Leadership Blog JoVE Help Center

AUTHORS

Publishing Process Editorial Board Scope & Policies Peer Review FAQ Submit

LIBRARIANS

Testimonials Subscriptions Access Resources Library Advisory Board FAQ

RESEARCH

JoVE Journal Methods Collections JoVE Encyclopedia of Experiments Archive

EDUCATION

JoVE Core JoVE Business JoVE Science Education JoVE Lab Manual Faculty Resource Center Faculty Site

Terms & Conditions of Use

Related Concept Videos

Microbiome of the Eye

Microbiome of the Eye

The human eye has a specialized microbiota that reflects its unique anatomical and immunological environment. This low-biomass microbial community predominantly colonizes the conjunctiva and eyelid margins, playing a vital role in ocular surface homeostasis and defense. Despite its proximity to the richly colonized facial skin, the ocular surface maintains a distinct microbial profile due to continuous mechanical and biochemical defense mechanisms.The conjunctival surface hosts fewer microbial...

Muscles of the Eye

Muscles of the Eye

The muscles of the eye are sophisticated structures that control eye movement and focus, allowing for the precise and rapid adjustments necessary for vision. The human eye is controlled by ten muscles — six extraocular muscles, three intraocular muscles, and one primary eyelid retractor muscle.
Extraocular Muscles
The six extraocular muscles surround the eyeball and control its movements. They are responsible for a wide range of eye motions, including looking up, down, left, right, and rotating...

Accessory Structures of the Eye

Accessory Structures of the Eye

Optical perception, or vision, is an extraordinary sense dependent on converting light signals received via the ocular organs. These organs, known as eyes, are securely positioned within the bony cavities of the skull, called orbits. The orbits serve a dual purpose: a protective shield for the ocular globes and a stable attachment point for the soft ocular tissues. The eye's external protective mechanisms include the eyelids, which are edged with lashes that act as a barrier against foreign...

You might also read

Related Articles

Articles linked to this work by shared authors, journal, and citation graph.

Sort by

Same author

Dorsum Sellae Morphology in Chiari Malformation Type I: A CT-Based Study.

Diagnostics (Basel, Switzerland)·2026

Same author

Refractive Risk Factors for Amblyopia in Turkish Preschoolers: A School-Based Vision Screening Study of 1126 Children.

Clinical ophthalmology (Auckland, N.Z.)·2026

Same author

Location of the foramen ovale relative to the lateral pterygoid plate in adult computed tomography images.

Surgical and radiologic anatomy : SRA·2025

Same author

The effects of topical nepafenac on pupillary dynamics in early postoperative period following uneventful cataract surgery: a prospective randomized study.

International ophthalmology·2025

Same author

Systemic inflammatory response index as a predictive biomarker for Irvine-Gass syndrome.

International ophthalmology·2025

Same author

Evaluation of blood-count-derived inflammatory markers in patients with idiopathic epiretinal membrane.

BMC ophthalmology·2025

Search research articles

Related Experiment Video

Updated: May 7, 2026

Induction of Ocular Surface Inflammation and Collection of Involved Tissues

Induction of Ocular Surface Inflammation and Collection of Involved Tissues

Published on: August 4, 2022

Tear function and ocular surface after Muller muscle-conjunctival resection.

Suat Hayri Uğurbaş, Atilla Alpay¹, Burak Bahadır

¹Department of Ophthalmology, Bülent Ecevit University, Zonguldak, Turkey.

Indian Journal of Ophthalmology

|October 4, 2013

Summary

Muller muscle-conjunctival resection (MCR) surgery for ptosis does not significantly impact tear function or ocular surface health. This prospective study found no adverse effects on tear tests or goblet cell density in patients with normal preoperative tear function.

More Related Videos

Establishment of a Severe Dry Eye Model Using Complete Dacryoadenectomy in Rabbits

Establishment of a Severe Dry Eye Model Using Complete Dacryoadenectomy in Rabbits

Published on: January 8, 2020

Related Experiment Videos

Last Updated: May 7, 2026

Induction of Ocular Surface Inflammation and Collection of Involved Tissues

Induction of Ocular Surface Inflammation and Collection of Involved Tissues

Published on: August 4, 2022

Establishment of a Severe Dry Eye Model Using Complete Dacryoadenectomy in Rabbits

Establishment of a Severe Dry Eye Model Using Complete Dacryoadenectomy in Rabbits

Published on: January 8, 2020

Area of Science:

Ophthalmology
Oculoplastics

Background:

Muller muscle-conjunctival resection (MCR) is a surgical approach for correcting mild to moderate ptosis.
Assessing the impact of MCR on ocular surface and tear function is crucial for patient outcomes.

Purpose of the Study:

To prospectively evaluate the effects of unilateral MCR surgery on tear function tests and ocular surface parameters.
To compare the operated eyes with the fellow control eyes in patients with normal preoperative tear function.

Main Methods:

Prospective evaluation of 16 patients undergoing unilateral MCR with normal preoperative tear function.
Utilized dry eye questionnaires, Schirmer testing, tear film break-up time, fluorescein staining, Rose-Bengal staining, and conjunctival impression cytology.
Fellow eyes served as the control group for comparison.

Main Results:

No statistically significant differences were observed in tear function tests between operated and non-operated eyes.
Goblet cell densities showed no significant change in the operated eyes compared to controls.
The MCR procedure demonstrated no apparent detrimental effect on tear film function or ocular surface.

Conclusions:

Muller muscle-conjunctival resection surgery appears safe concerning tear film function and ocular surface health in patients with adequate preoperative tear function.
The MCR technique does not adversely affect key indicators of ocular surface homeostasis.
Further research may explore long-term effects or outcomes in patients with pre-existing dry eye.