Jove
Visualize
Contact Us
JoVE
x logofacebook logolinkedin logoyoutube logo
ABOUT JoVE
OverviewLeadershipBlogJoVE Help Center
AUTHORS
Publishing ProcessEditorial BoardScope & PoliciesPeer ReviewFAQSubmit
LIBRARIANS
TestimonialsSubscriptionsAccessResourcesLibrary Advisory BoardFAQ
RESEARCH
JoVE JournalMethods CollectionsJoVE Encyclopedia of ExperimentsArchive
EDUCATION
JoVE CoreJoVE BusinessJoVE Science EducationJoVE Lab ManualFaculty Resource CenterFaculty Site
Terms & Conditions of Use
Privacy Policy
Policies

Related Experiment Videos

Effect of buckling material on ocular rigidity.

M M Whitacre1, M D Emig, K Hassanein

  • 1Department of Ophthalmology, University of Kansas Medical Center, Kansas City 66103.

Ophthalmology
|April 1, 1992
PubMed
Summary

Metal and silicone bands were used to reduce human eye diameter. Silicone bands significantly reduced ocular rigidity more than metal bands, indicating material elasticity impacts eye mechanics.

Related Concept Videos

You might also read

Related Articles

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

Sort by
Same author

Halo and Pseudohalo Cu(I)-Pyridinato Double Chains with Tunable Physical Properties.

Inorganic chemistry·2015
Same author

Reversible stimulus-responsive Cu(I) iodide pyridine coordination polymer.

Chemical communications (Cambridge, England)·2015
Same author

A retrospective study on clinical findings of 7300 cases (2007-2014) of barren female dromedaries.

Theriogenology·2015
Same author

Recurrent neck disease in oral cancer.

Journal of oral and maxillofacial surgery : official journal of the American Association of Oral and Maxillofacial Surgeons·2002
Same author

Effects of anti-inflammatory drugs following cataract extraction.

Current opinion in ophthalmology·2001
Same author

Randomized, prospective, placebo-controlled double-blind study of dextrose prolotherapy for osteoarthritic thumb and finger (DIP, PIP, and trapeziometacarpal) joints: evidence of clinical efficacy.

Journal of alternative and complementary medicine (New York, N.Y.)·2000

Area of Science:

  • Ophthalmology
  • Biomedical Engineering
  • Materials Science

Background:

  • Ocular rigidity is a critical biomechanical property of the eye.
  • Understanding how external forces affect ocular rigidity is important for ophthalmic research and surgical planning.
  • Previous studies have not fully elucidated the differential effects of various banding materials on ocular biomechanics.

Purpose of the Study:

  • To quantify the effect of metal and silicone bands on ocular rigidity in enucleated human eyes.
  • To compare the influence of different banding materials and diameter reductions on ocular biomechanical properties.
  • To investigate the role of material elasticity versus shape alteration in modifying ocular rigidity.

Main Methods:

  • Enucleated human eyes were subjected to controlled diameter reductions (2 mm and 4 mm) using metal and silicone bands.
  • Ocular rigidity was measured across a pressure range of 10 mmHg to 40 mmHg for each banding condition.
  • Statistical analysis (P-values) was used to determine the significance of observed changes in ocular rigidity compared to control and between material types.

Main Results:

  • Silicone bands caused significant reductions in ocular rigidity across all tested pressures (P < 0.01).
  • Metal bands resulted in milder reductions in ocular rigidity, with significance noted in specific pressure ranges (P < 0.05 to 0.01).
  • The elastic properties of silicone exerted a greater influence on reducing ocular rigidity than the shape and wall stress changes induced by metal banding.

Conclusions:

  • Silicone banding material significantly decreases ocular rigidity more effectively than metal banding.
  • The elastic nature of the banding material is a primary factor influencing ocular rigidity changes.
  • These findings have implications for understanding eye biomechanics under external mechanical stress.

Related Experiment Videos