Dry eye is very common, especially post corneal refractive surgery, and should be treated preoperatively with attention paid ...

A new study introduces a diffractive optical framework for real-time 3D and multispectral imaging, eliminating digital reconstruction and mechanical scanning through deep-learning-optimized PSF ...

In this paper a very simple refractive index sensor made up of plastic optical fibers is presented. Produced fiber-optic sensor is based on intensity change due to refractive index change. The ...

CBSE Class 10 Physics Chapter 10 Important Questions and Answers: Get the Important Questions with Answers for CBSE Class 10 Science Chapter 10 Light Reflection and Refraction.

We ophthalmologists are all introduced to pinhole or small-aperture optics on the first day of our residency when we are taught how to measure visual acuity and refract a patient. As a diagnostic ...

High index lenses are slim, lightweight glasses lenses. People with strong prescriptions often use these. Read on for more.

Nikon Instruments Inc., innovator of advanced microscope systems today announced the release of 7 models of CFI Plan Apochromat Lambda D series objectives for biological microscopes, that support ...

High numerical aperture objectives designed to work with cover-slipped samples offering several times the working distance of oil immersion have recently been produced by several vendors, using lower ...