Columbia subject headings:
Eye--Anatomy--Handbooks, manuals, etc.
Eye--Surgery--Handbooks, manuals, etc.
Materia medica--Handbooks, manuals, etc.
Surgical instruments and apparatus--Handbooks, manuals, etc.
Harvard subject headings:
Eye--Anatomy--Handbooks, manuals, etc.
Eye--Diseases
Eye--Diseases--Surgery--Handbooks, manuals, etc.
Materia medica--Handbooks, manuals, etc.
Surgical instruments and apparatus--Handbooks, manuals, etc.
Princeton subject headings: