Disorders of ocular muscles, binocular movement, accommodation and refraction - H49-H52
Excludes2: This note means that the conditions described by two codes are not usually associated with each other but can sometimes occur together.
Type 2 Excludes:
- nystagmus and other irregular eye movements (H55)
These ranges represents Categories of Disorders of ocular muscles, binocular movement, accommodation and refraction. The "H49-H52" signifies that these are the diseases within this broad section.