Certain infectious and parasitic diseases

H53.2 Diplopia
Double vision
H53.3 Other disorders of binocular vision
Abnormal retinal correspondence
Fusion with defective stereopsis
Simultaneous visual perception without fusion
Suppression of binocular vision
H53.4 Visual field defects
Enlarged blind spot
Generalized contraction of visual field
Hemianop(s)ia (heteronymous)(homonymous)
Quadrant anop(s)ia
Scotoma:
· arcuate
· Bjerrum
· central
· ring
H53.5 Colour vision deficiencies
Achromatopsia
Acquired colour vision deficiency
Colour blindness
Deuteranomaly
Deuteranopia
Protanomaly
Protanopia
Tritanomaly
Tritanopia
Excludes: day blindness ( H53.1 )
H53.6 Night blindness
Excludes: due to vitamin A deficiency ( E50.5 )
H53.8 Other visual disturbances
H53.9 Visual disturbance, unspecified
H54 Blindness and low vision
Note: For definition of visual impairment categories see table below.
Excludes: amaurosis fugax ( G45.3 )
H54.0 Blindness, both eyes
Visual impairment categories 3, 4, 5 in both eyes.
H54.1 Blindness, one eye, low vision other eye
Visual impairment categories 3, 4, 5 in one eye, with categories 1 or 2 in the
other eye.
H54.2 Low vision, both eyes
Visual impairment categories 1 or 2 in both eyes.
H54.3 Unqualified visual loss, both eyes
Visual impairment category 9 in both eyes.
H54.4 Blindness, one eye
Visual impairment categories 3, 4, 5 in one eye [normal vision in other eye].
276 WHO’s ICD-10