Related Experiment Video
Updated: Jan 23, 2026

17:15
Catheterization of Intestinal Loops in Ruminants
Published on: June 11, 2009
14.0K
Silicone band loop myopexy for myopic strabismus fixus
Savleen Kaur1, Mohit Dogra1, Jaspreet Sukhija1
1Advanced Eye Center, Postgraduate Institute of Medical Education and Research, Chandigarh, India.
Indian Journal of Ophthalmology
|June 27, 2019
Summary
This study presents a new surgical method for treating myopic strabismus fixus, a condition causing eye movement limitations. The novel technique successfully restored eye alignment in a patient, with results maintained for one year.
Area of Science:
- Ophthalmology
- Surgical Innovation
- Strabismus Management
Background:
- Myopic strabismus fixus is characterized by an inability of the eye to elevate and abduct.
- This condition is associated with a superotemporally herniated globe in highly myopic individuals.
- Management often requires addressing the complex anatomical changes present.
Observation:
- A novel surgical technique was employed to manage a case of myopic strabismus fixus in an 18-year-old male.
- Radiological imaging revealed specific muscle deviations: a nasally deviated superior rectus (SR) and an inferiorly displaced lateral rectus (LR).
Findings:
- The surgical intervention involved silicone band-assisted myopexy of the superior rectus (SR) and lateral rectus (LR) muscles.
- These muscles were secured to the sclera using dacron sutures.
- Postoperative assessment showed satisfactory ocular alignment, with no further interventions needed during a 1-year follow-up period.
Implications:
- This surgical approach offers a potential solution for managing complex cases of myopic strabismus fixus.
- The technique's success in achieving and maintaining alignment highlights its clinical utility.
- Further studies may validate this method for a broader patient population with similar conditions.
Related Concept Videos
Band Theory
17.1K
When two or more atoms come together to form a molecule, their atomic orbitals combine and molecular orbitals of distinct energies result. In a solid, there are a large number of atoms, and therefore a large number of atomic orbitals that may be combined into molecular orbitals. These groups of molecular orbitals are so closely placed together to form continuous regions of energies, known as the bands.
The energy difference between these bands is known as the band gap.
Conductor, Semiconductor,...
The energy difference between these bands is known as the band gap.
Conductor, Semiconductor,...
17.1K
Energy Bands in Solids
1.9K
Isolated atoms have discrete energy levels that are well described by the Bohr model. And, it quantifies the energy of an electron in a hydrogen atom as En. Higher quantum numbers 'n' yield less negative, closer electron energy levels.
Band Formation:
When atoms are brought close together, as in a solid, these discrete energy levels begin to split due to the overlap of electron orbitals from adjacent atoms. This split occurs because of the Pauli exclusion principle, which states...
Band Formation:
When atoms are brought close together, as in a solid, these discrete energy levels begin to split due to the overlap of electron orbitals from adjacent atoms. This split occurs because of the Pauli exclusion principle, which states...
1.9K
Feedback Loops
64.2K
In most cases, excessive hormone production is prevented by negative feedback—a loop that starts with a stimulus inducing the release of a particular substance, like a hormone, to maintain a certain level before triggering a signal that results in a decrease in further release of the hormone.
64.2K
Open and closed-loop control systems
1.6K
Control systems are foundational elements in automation and engineering. They are broadly categorized into open-loop and closed-loop systems. These classifications hinge on the presence or absence of feedback mechanisms, significantly influencing the system's performance, complexity, and application.
An open-loop control system operates without feedback from the output. It consists of two primary elements: the controller and the controlled process. The controller receives an input signal...
An open-loop control system operates without feedback from the output. It consists of two primary elements: the controller and the controlled process. The controller receives an input signal...
1.6K
Positive and Negative Feedback Loops
24.9K
Animal organs and organ systems constantly adjust to internal and external changes through a process called homeostasis ("steady state"). Examples of these changes include regulation of the level of glucose or calcium in the blood or internal responses to external temperatures. Homeostasis requires maintaining an internal dynamic equilibrium:
24.9K
Reabsorption and Secretion in the Loop of Henle
3.8K
The thick ascending limb of the nephron loop has Na+–K+–2Cl− symporters in the apical membranes of its cells. These symporters simultaneously reclaim one sodium ion, one potassium ion, and two chloride ions from the tubular fluid. Sodium ions are actively transported into the interstitial fluid at the base and sides of the cell, diffusing into the vasa recta. Chloride ions move through leakage channels in the basolateral membrane into the interstitial fluid and then into the...
3.8K

