Provided that if this degree of visual acuity is obtained only by means of correcting glasses, the degree of vision in each eye without glasses shall not be less than 6/18 and correcting glasses equivalent to those used during the test shall be worn at all times when the applicant is exercising the privileges of any licence issued to him which requires this Standard to be attained:
(6) a near visual acuity which enables him with each eye, and either without correcting glasses or with such correcting glasses as it is his normal custom to wear, to read No. 3. on the Jaeger chart at a distance of ra incles;
(c) not more than + 2.25 diopters of hypermetropia; (d) normal fields of vision.
205. Visual Standard No. 2.-The applicant must have
(a) a visual acuity for distance of at least 6/12 in each
eye with or without correcting glasses :
Provided that if this degree of visual acuity is obtained only by means of correcting glasses, the degree of vision in each eye without glasses shall not be less than 6/30 and correcting glasses equivalent to those used during the test shall be worn at all times when the applicant is exercising the privileges of any licence issued to him which requires this Standard to be attained:
(b) a near visual acuity which enables him, with each eye and either without correcting glasses or with such correcting glasses as it is his normal custom to wear, to read No. 3. on the Jaeger chart at a distance of r2 inches;
(c) normal fields of vision.
206. have-
Visual Standard No. 3--The applicant must
(a) a visual acuity for distance of at least 6/12 in each
eye, with or without correcting glasses;
Provided that if this degree of visual acuity is obtained only by means of correcting glasses, the degree of vision in each eye without glasses shall not be less than 6/60 and correcting glasses equivalent to those used during the test shall be worn at all times when the applicant is exercising the privileges of any licence issued to him which requires this Standard to be attained;
(b) a near visual acuity which enables him, with each eye and either without correcting glasses or with such correcting glasses as it is his normal custom to wear, to read No. 3. on the Jaeger chart at a distance of 12 inches;
(c) normal fields of vision.
COLOUR PERCeption RequiREMENTS.
201. Colour perception sense shall be measured either by means of pseudo-isochromatic plates or of a suitable colour perception lantern. Tests by the latter method shall be carried our in a completely darkened room.
208. Colour Perception Standard No. 1 -The applicant must be able readily and accurately either to read the pseudo- isochromatic plates or to identify the colours signal red, signai green, and white, when displayed by means of the colour per- ception lantern.
HEARING REQUIREMENTS.
200. The applicant must be free from any hearing defect likely to interfere with the efficient exercise by him of the privileges of the licence for which he is being examined.
210. Auditory acuity shall be measured by the following methods, either or both of which shall be employed according to the requirements of the relevant Hearing Standard-
(a) by means of a standard pure tone audiometer in a room in which the intensity of the background noise does not excced so decibels;
(b) by a test of the applicants' ability to hear normal
speech.