The examiner will test you with and without glasses. For most police posts, wearing glasses during duty is not allowed. You must have 6/6 vision in at least one eye without correction.
The G.P. 69 form is a standardized medical certificate issued by authorized government medical practitioners. The "G.P." typically stands for or "General Practitioner" (in a government capacity), and the number "69" refers to the specific format code used by state and central government health departments. g.p 69 form