- 1. Bilateral blindness (note 1)
- 2. Loss of both hands from the wrist, or both feet from the ankle.
- 3. Loss of one hand from wrist and one foot from the ankle.
- 4. Blindness in one eye and loss of one hand from the wrist, or blindness in one eye and loss of one foot from the ankle.
- 5. Permanent loss of chewing ability (note2) or speech (note 3).
- 6. Permanent and total loss of function in all limbs (note 4).
- 7. Severe impairment of central nervous system function or thoracic/abdominal organ function resulting in permanent inability to perform work and total reliance on others' assistance to perform daily activities necessary to maintain life (note 5).
Note 1. Determination of blindness
- (1) The Landolt Vision Screening Chart will be used to test the corrected vision of each eye independently.
- (2) "Blindness" means that vision permanently tests at or below 0.02 using the Landolt Vision Screening Chart.
- (3) Determination will in principle be made after six months of treatment from the date of injury, provided that this provision shall not apply where there has been surgical removal of the eyeball or other conditions from which recovery is clearly not possible.
Note 2. "Loss of chewing ability" means functional impairment resulting in inability to perform chewing motions due to other than dental factors, such that nothing other than liquid nutrients can be ingested.
Note 3. "Loss of speech" means the inability to produce three or more of the four types of linguistic capabilities (labials, dentals, palatals, uvulars) that make up language.
Note 4 "Permanent and total loss of function" means complete loss of function that continues after six months.
Note 5. "Total reliance on others' assistance to perform daily activities necessary to maintain life" means inability to eat, defecate, urinate, dress, undress, perform daily activities, walk, or bathe on one's own, for all of which regular reliance on others is required.