What do motion detectors ... this wavelength is invisible to the human eye, it is still harmful at high power. For this reason, the lidar's laser can only emit weak light, which limits the ...

However, unlike other eye conditions, glaucoma does not show early signs, unless it is too late. In an interview with HT Lifestyle, Dr. Nirati Srivastava, Consultant, Ophthalmology, Regency Hospital, ...