or procedures: examines eyes and performs various tests to determine visual acuity and perception and to diagnose diseases and other abnormalities, such as glaucoma and color blindness. ) prescribes eyeglasses, contact lenses, and other vision aids or therapeutic procedures to correct or conserve vision...
decorating the back of phones, because more lenses might look like you're getting more for your money. a lot of the time, the impressive things you are looking at are software features - the explosion of "ai" in cameras that will tweak the look and feel of a photo, apple's fancy studio portraits and...
gf medium-format film cameras back on sale jan , at : the public will soon be able to purchase new units of the discontinued fujifilm gf film rangefinder folding camera thanks to a cache recently discovered in a fujifilm warehouse. read more metabones launches four new adapters for attaching canon lenses...
which block the green-to-blue end of the light spectrum without blurring or impeding vision. [ ] [ ] other strategies for relieving photophobia include the use of tinted contact lenses and/or the use of prescription eye drops that constrict the pupil, thus reducing the amount of light entering the eye...
using technology he developed at polaroid. polarized lenses remained the state of the art until the s when teledyne and others began experimenting with optical filters that actually absorbed harmful wavelengths of light rather than merely diverting them from the eye through polarization. teledyne discovered...
immediately all contaminated clothing. rinse skin with water/shower. call a physician or poison control center immediately. chemical burns must be treated by a physician. wash contaminated clothing before reuse. eye contact immediately flush eyes with plenty of water for at least minutes. remove contact lenses...
glasses with my regular prescription. two are just magnifiers, but, dammit, i need those anymore (plus i am pretty sure my readers need updating). anyway, this meant that if i used the viewscreen, i couldn't hold it far enough away to see both the picture and the setting while wearing my distance lenses...