MEDEVIS

The code(s) and term(s) in this section were observed and retrieved from public databases and have not been validated by health regulatory authorities. Please consult your regulatory agency and EMDN site: https://webgate.ec.europa.eu/dyna2/emdn

GMDN related code(s)

36380

Visual acuity light box (A mains electricity (AC-powered) light viewing box that uses a translucent version of the ophthalmic chart (Snellen chart) imprinted with block letters (optotypes) and/or other symbols (e.g., LEA symbols for children who can not read) in gradually decreasing sizes used for testing visual acuity. The letters/symbols are identified according to distances at which they are ordinarily visible (normally 6 metres or 20 feet) and are combined in a box where the individual letters or symbols are selected and high-lighted by the optician/doctor with background electrical lighting. This device is typically mounted on a wall of the optician/doctor's examination room/office.)

The medical device term(s), code(s) and definition(s) in this section were retrieved from databases external to WHO. As there might be more than one name, definition and “Nomenclature Code” related to the specific medical device, please consult https://gmdnagency.org GMDN ®. © GMDN Agency 2005-2024

Decommissioning

https://youtu.be/D7TycnSGGXc https://apps.who.int/iris/handle/10665/330095

WHO resources on medical devices

Interagency list of priority medical devices for essential interventions for reproductive, maternal, newborn and child health WHO list of priority medical devices for cancer management WHO List of Priority Medical Devices for management of cardiovascular diseases and diabetes WHO List of Priority medical devices list for the COVID-19 response and associated technical specifications Package of eye care interventions Trauma and Emergency Surgery Kit (TESK) 2019 WHO medical devices website WHO priority medical devices website WHO essential in vitro diagnostic website

Export

Visual acuity test, LEA Gratings