H54.8 Legal blindness, as defined in USA

Type 1 Excludes:
  • Legal Blindness With Specification Of Impairment Level (H54.0-H54.7)
    • Notes:
    • The Table Below Gives A Classification Of Severity Of Visual Impairment Recommended By A WHO Study Group On The Prevention Of Blindness, Geneva, 6-10 November 1972.
    • The Term 'low Vision' In Category H54 Comprises Categories 1 And 2 Of The Table, The Term 'blindness' Categories 3, 4 And 5, And The Term 'unqualified Visual Loss' Category 9.
    • If The Extent Of The Visual Field Is Taken Into Account, Patients With A Field No Greater Than 10 But Greater Than 5 Around Central Fixation Should Be Placed In Category 3 And Patients With A Field No Greater Than 5 Around Central Fixation Should Be Placed In Category 4, Even If The Central Acuity Is Not Impaired.
    Applicable To:
  • Blindness NOS According To USA Definition

    • The following code(s) above H54.8 may contain annotation back-references that may be applicable to H54.8:

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