Visual Preceptual Flashcards
Macular Degeneration
Decrease in central vision. Pts have difficulty seeing facial features, colors, signs
Cataracts
Yellowing or cloudiness of the lens. Increased sensitivity to glare, may see ghost images, eyes may appear milky or yellowish, decreased color vision
Glaucoma
Initial loss of peripheral vision. If left uncontrolled, can lead to blindness
Diabetic Retinopathy
Results in leaking blood vessels, progressive blurring. Proliferative type interferes with functional vision. Decreased color vision and acuity
Presbyopia
Visual loss in middle and older ages, characterized by inability to focus properly and blurred images
Hemianopsia
Field deficits in both eyes that often occurs following CVA
Visual acuity
Clarity of vision *Only optometrists can determine visual acuity, level of visual impairment, and damage to or disease in the visual system
Saccadic eye movements
Sequenced rapid eye movements
Diplopia
Double vision
Visual inattention/Visual neglect
Decreased awareness of the body and spatial environment on the side contralateral to the cerebral lesion despite the absence of a specific sensory deficit
Apraxia
Inability to carry out specific motor tasks in absence of sensory or motor impairments
Adiadochokinesia
Inability to perform rapidly alternating movements
Ideomotor apraxia
Inability to imitate gestures or perform a purposeful task on command even though the client fully understands the idea or concept of the task
Ideational apraxia
Inability to carry out a sequence of motor acts that is caused by a disruption of the conception rather than the execution of the motor act
Oral apraxia
Difficulty in forming and organizing intelligible words although the musculature required to do so remains intact