Full Definition of COLLECTIVE. 1. 2. a: formed by collecting: aggregated b of a fruit: multiple. 3. a: of, relating to, or being a group of individuals. 4. : marked by similarity among or with the members of a group.5. : collectivized or characterized by collectivism.ull Definition of COLLECTIVE. 1. : a collective body: group. 2. : a cooperative unit or organization; specifically: collective farm. 3. : a helicopter control system governing lift. See collective defined for English-language learners.
Listen. The most common vision problems are refractive errors, more commonly known as nearsightedness, farsightedness, astigmatism and presbyopia. Refractive errors occur when the shape of the eye prevents light from focusing directly on the retina.ision occurs when light rays are bent (refracted) as they pass through the cornea and the lens. The light is then focused on the retina. The retina converts the light-rays into messages that are sent through the optic nerve to the brain. The brain interprets these messages into the images we see.
connect with local specialist for a. FREE CONSULTATION in your area. CALL. Spherical aberration is a visual effect that occurs when increased refraction of light rays strike a lens or a mirror.In laymans' terms, a spherical aberration is when your eyes see spheres around lights bouncing off reflective or magnifying surfaces, resulting in an imperfection of the produced image.Spherical aberrations can occur from changes in the eye's anatomy or physiology.onnect with local specialist for a. FREE CONSULTATION in your area. CALL. Spherical aberration is a visual effect that occurs when increased refraction of light rays strike a lens or a mirror.