29 OCTOBER 2009 NEW ZEALAND GAZETTE, No. 157

(b) The testing officer must direct the person being tested to:

(i) keep his or her head still; and

(ii) track the movement of an object with his or her eyes until directed to stop.

(c) The testing officer must ask the person being tested whether he or she has understood the directions given in paragraphs (a) and (b), and if necessary repeat any direction.

(d) The testing officer must observe the person’s eyes to determine whether any of the following conditions are present:

(i) horizontal gaze nystagmus;

(ii) vertical gaze nystagmus;

(iii) lack of convergence.

(3) Step 3: Matters to be recorded—

(a) The testing officer must record whether the person being tested:

(i) is wearing contact lenses;

(ii) is able to track a moving object with his or her eyes as directed in subclause (2)(b);

(iii) is observed to have any of the conditions referred to in subclause (2)(d);

(iv) is able to follow directions.

(b) The testing officer must also record:

(i) the measurement referred to in subclause (2)(a)(ii)(A); and

(ii) the result of the investigation referred to in subclause (2)(a)(ii)(B).

(c) If the eye assessment is not completed, or not completed satisfactorily, the testing officer must record that fact.

7. Walk and turn assessment

(1) Step 1: Preliminary action—

(a) The testing officer must direct the person being tested:

(i) to stand and place his or her left foot on the ground, and place the right foot in front of the left foot, with the heel of the right foot against the toe of the left foot; and

(ii) to place his or her arms by his or her sides and to stay in that position until further directed.

(b) The testing officer must then:

(i) explain and demonstrate to the person being tested the requirements of the walk and turn assessment in Step 2; and

(ii) ask the person being tested whether he or she has understood the explanation and demonstration and, if necessary, repeat either the explanation or the demonstration, or both; and

(iii) explain that once the assessment has commenced it must be continued until the completion of Step 2.

(2) Step 2: Walk and turn assessment—

(a) The person must, when directed by the testing officer, take 9 heel to toe steps along the line.

(b) When those steps are completed, and at the direction of the testing officer, the person must turn by keeping the toes of his or her front foot on the line and taking a series of small steps with the other foot.

(c) When the person has turned 180 degrees, he or she must take 9 steps back along the line.

(d) The person must, at the direction of the testing officer, count aloud each heel to toe step with the first step starting at 1 and the return heel to toe steps starting at 1.

(e) The person must, throughout the assessment:

(i) keep his or her arms by his or her sides; and

(ii) watch his or her feet at all times.

(3) Step 3: Matters to be recorded—

(a) The testing officer must record whether the person being tested:

(i) maintains balance;

(ii) starts to walk before being directed to do so;

(iii) stops while walking;

(iv) steps off the line;

(v) does not walk heel to toe;

(vi) takes an incorrect number of steps;

(vii) does not turn as directed;

(viii) uses 1 or both of his or her arms to maintain balance; and

(ix) is able to follow directions.

(b) If the walk and turn assessment is not completed, or not completed satisfactorily, the testing officer must record that fact.

8. One leg stand assessment

(1) Step 1: Preliminary action—

(a) The testing officer must direct the person being tested to:

(i) stand with his or her feet together with arms by his or her sides; and

(ii) remain in that position until further directed.

(b) The testing officer must then:

(i) explain and demonstrate to the person being tested the requirements of the one leg stand assessment in Step 2 and, if necessary, repeat either the explanation or the demonstration, or both; and

(ii) ask the person being tested whether he or she has understood the explanation and demonstration and, if necessary, repeat either the explanation or the demonstration, or both; and

(iii) explain that once the assessment has commenced it must be continued until the completion of Step 2.

(2) Step 2: The one leg stand assessment—

(a) The person must, when directed by the testing officer, stand on his or her left leg and raise his or her right leg approximately 15 to 20 centimetres off the ground with the raised toes extended.

(b) The person must then count aloud while watching his or her raised foot for 30 seconds, or until the testing officer directs him or her to stop.

(c) The person must then repeat the assessment while standing on the right leg.