Sub-wavelength imaging, which can transform evanescent wave into travelling wave and utilize wave component with small wave-vector, is receiving much study interest. Both negative refraction and beam ...

Justin C Sherwin; David A Mackey Disclosures Expert Rev Ophthalmol. 2013;8 (1):63-87.

Aim: To assess the longitudinal changes in the spherical equivalent (SE) refractive errors of children with accommodative esotropia as a function of the age when glasses were prescribed. Methods: ...

We present the design and implementation of a periodically loaded transmission line, which simultaneously exhibits negative refractive index (NRI) and negative group delay (and, hence, negative group ...

Describe the bug When trying to set the infonce hard negatives using the environment variable, an error is thrown. This is because the environment variable is a string and it is not converted to an ...

Using Chart Review to Screen for Medication Errors and Adverse Drug Events Rainu Kaushal, M.D., M.P.H. Disclosures Am J Health Syst Pharm. 2002;59 (23) ...

Results The prevalence of blindness (PVA<3/60 in better eye) ranged from 1.1% in an urban district of Cameroon to 7.9% in a rural district in Ethiopia. More than half of studies (6/11) reported no ...