La. Admin. Code tit. 55 § III-1120
EPD- eye protection devices.
Eye Glasses- includes devices such as spectacles or sunglasses worn before the eyes having two separately mounted lenses.
Face Shield- a device attached to a helmet or head band(s) which covers the wearer's eyes and face at least to a point approximately to the tip of the nose.
Frame- those parts of the eye glasses or goggles containing the lens housing. Padding may be associated with the frame.
Goggles- a device worn before the eyes, the predominant function of which shall be to protect the eyes without obstructing peripheral vision. They shall provide protection from the front and sides and may or may not form a complete seal with the face.
Headband- that part of the device consisting of a supporting band or other structure that either encircles the head or protective helmet, or can be attached thereto.
Mid-Signal Plane- the anteroposterior plane through the longitudinal axis of the body.
La. Admin. Code tit. 55, § III-1120