Strabismus

Gräf, Michael; Lorenz, Birgit

doi:10.1007/s00112-014-3223-5

Cited by 1 publication

(1 citation statement)

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“…The calculation of the surgical amount is also based on the mechanical constitutive relationships of EOMs in the primary position. The abnormal length of some EOMs may lead to strabismus [ 31 – 33 ], and numerous patients suffer from strabismus surgery [ 1 , 34 – 36 ]. The constitutive relationships of the EOMs in primary innervations (( 9a )–( 9f ) and ( 14a )–( 14f )) can contribute to the treatment of EOM disorders, such as strabismus.…”

Section: Discussionmentioning

confidence: 99%

Contractile Force of Human Extraocular Muscle: A Theoretical Analysis

Guo

Gao

Chen

2016

Applied Bionics and Biomechanics

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Aim. The length-contractile force relationships of six human extraocular muscles (EOMs) in primary innervations should be determined during eye movement modeling and surgery of clinical EOMs. This study aims to investigate these relationships. Method. The proposal is based on the assumption that six EOMs have similar constitutive relationships, with the eye suspended in the primary position. The constitutive relationships of EOMs are obtained by optimizing from previous experimental data and the theory of mechanical equilibrium using traditional model. Further, simulate the existing experiment of resistance force, and then compare the simulated results with the existing experimental results. Finally, the mechanical constitutive relationships of EOMs are obtained. Results. The results show that the simulated resistance forces from the other four EOMs except for the horizontal recti well agree with previous experimental results. Conclusion. The mechanical constitutive relationships of six EOMs in primary innervations are obtained, and the rationality of the constitutive relationships is verified. Whereafter, the active stress-strain relationships of the six EOMs in the primary innervations are obtained. The research results can improve the eye movement model to predict the surgical amounts of EOMs before EOM surgery more precisely.

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