law: Factories Act, 1948 
  35. Protection of eyes 
  In respect of any such manufacturing process carried on in any
  
  factory as may be prescribed, being a process which involves- 
  (a) risk of injury to the eyes from particles or fragments
  
  thrown off in the course of the process, or
  (b) risk to the eyes by reason of exposure to excessive light,
  
  the State Government may by rules require that effective screens or suitable
  
  goggles shall be provided for the protection of persons employed on, or in the
  
  immediately vicinity of, the process.