The minimum standard of visual acuity for all trades shall be : 6/18 in each eye or 6/12 in one eye and 6/24 in the other eye without glasses of 6/9 with glasses in both eyes.Candidates with vision in one eye only shall be rejected.(B)Colour Vision:-not required(4)EarsHearing must be good in both ears and there should be no sign of suppurative disease. No hearing aid shall be permitted.(5)SkinThere should be no evidence of acute or chronic skin disease or chronic ulceration.(6)SpeechSpeech should preferably be without impediment.(7)Alimentary system
