Columbia subject headings:
Eye--Diseases--Treatment--Handbooks, manuals, etc.
Eye--Wounds and injuries--Treatment--Handbooks, manuals, etc.
Surgical instruments and apparatus--Handbooks, manuals, etc.
Harvard subject headings:
Eye--Diseases--Treatment--Handbooks, manuals, etc.
Eye--Wounds and injuries--Treatment--Handbooks, manuals, etc.
Surgical instruments and apparatus--Handbooks, manuals, etc.
Princeton subject headings: