Pinhole pupilloplasty is a modality to create a pinhole pupil of desired size and location in reference to the vertex of the cornea. Studies have documented the optimization of pinhole size and its ...

A chemical stress test uses medications to make your heart beat faster and widen your blood vessels, simulating how your heart responds to exercise when you can’t use a treadmill or bike. The test can ...

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Hierarchical shell enables lattice-interface interlocking, suppresses coupled degradation, delivers near-unity photoluminescence quantum yields and T 90 exceeding 27,000 hours under continuous ...