Visual acuity in the left eye (primary care)
Name va_leftcode_gprd
Chapter Diseases of the eyes and ears/Visual acuity
The cut-off between "Normal" and "Reduced visual acuity" is between 6/9 and 6/12, which is the legal requirement for driving. The definitions of "Sight impaired" and "Severely sight impaired" are based on definition of partially sighted or registered blin
Data Type Categorical
Data sources GPRD
Repeated Yes
Valid event date range 01/01/1900 - 25/03/2010
Agreed 20/09/2012 (Revision 1)
Category Definition
0 Data Not Entered
1 Normal
2 Reduced visual acuity (VA 6/12 to 6/36)
3 Sight impaired (VA 3/60 to 6/60)
4 Severely sight impaired (VA worse than 3/60)
Category assigned based on code list.