an enhanced criminal record certificate in relation to himself or herself or, where the applicant is a body corporate carrying on business as an optometrist, in relation to each director or person controlling that body corporate, dated not earlier than 28 days before the date of the application, and

except in the case of a body corporate carrying on business as an optometrist, a certificate from a provider of training approved by NHS Education for Scotland that the applicant has satisfactorily completed a course of training in the use of slit lamp biomicroscopy, condensing lens biomicroscopy, applanation tonometry and threshold visual fields.