Clark Robert A

Clark Robert A, Wong Rupa K

This study found that while axial length (AL) thresholds identify very long eyes at high retinal risk, spherical equivalent refraction (SER) better predicts cataract, glaucoma, and general myopic pathology, suggesting SER should be the primary monitoring metric.

Demer Joseph L, Clark Robert A

Gravity significantly shifts eye position (0.73-0.85 mm) depending on head orientation, impacting optic nerve stretch. This must be considered when evaluating optic nerve mechanics and glaucoma risk.

Demer Joseph L, Clark Robert A, Suh Soh Youn, Giaconi JoAnn A, Nouri-Mahdavi Kouros, Law Simon K et al.

Eye movements normally pump CSF around the optic nerve, but this pumping was subnormal in glaucoma and NA-AION, suggesting impaired CSF dynamics may contribute to these optic neuropathies.

Clark Robert A, Demer Joseph L

This study found that while the eye's rotational axis is stable, longer axial length increases extraocular muscle leverage, potentially reducing the effectiveness of surgical muscle repositioning in myopic patients.

Demer Joseph L, Clark Robert A, Suh Soh Youn, Giaconi JoAnn A, Nouri-Mahdavi Kouros, Law Simon K et al.

MRI of normal-tension glaucoma patients revealed abnormally increased globe retraction and optic nerve straightening during adduction, suggesting mechanical stress on the optic nerve head may contribute to glaucoma, independent of IOP.