“Eye conditions and vision impairment are widespread, and far too often they still go untreated,” says Dr Tedros Adhanom Ghebreyesus, WHO Director-General. “People who need eye care must be ...

What is Cortical Visual Impairment (CVI)? CVI refers to a brain condition, not an eye condition and results from damage to the visual systems in the brain that deal with processing and integrating ...

These include stiffness of neck and trunk muscles (rigidity), slowness of movement (bradykinesia), and impaired balance. Unlike classic Parkinson's disease, tremor is rarely a prominent part of PSP.