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Classification 2025 Winter Edition

Worldwide source of medical classification resources
QS QT QU QV QW QX QY QZ W WA WB WC WD WE WF WG WH WI WJ WK WL WM WN WO WP WQ WR WS WT WU WV WW WX WY WZ

WW

Ophthalmology

Schedule Contents

Reference Works. General Works Eye Anatomy. Physiology Diseases. Color Perception Therapeutics. Eye Banks Eye Structures and their Diseases Ocular Refraction. Refractive Errors Optometry Eye Movements. Oculomotor Muscles. Neuro-Ophthalmic Conditions Manifestations of Disease Occupational Ophthalmology. Eye Injuries Age Groups
  • Classify works on ophthalmic nursing and nursing of patients with specific ophthalmic diseases in WY 158.


Reference Works. General Works
WW 1

Organizations. Societies (General or not elsewhere classified) (Cutter from name of organization or society) (Table-G)
(Monographs and Serials)

Includes membership lists and administrative reports issued serially or separately. Classify directories in WW 22. Classify other serials issued by societies in W1. For academies and institutes, see WW 23-24.
WW 5

Collected works by several authors

WW 7

Collected works by individual authors

WW 9

Addresses. Essays. Lectures

WW 11

History of ophthalmology and optometry (Table-G)

WW 11.1

General coverage (Not Table-G)

WW 13

Dictionaries. Encyclopedias
(Monographs and Serials)

WW 15

Classification. Terminology
(Monographs and Serials)

WW 16

Tables. Statistics. Surveys (Table-G)
(Monographs and Serials)

Classify tables used in optical dispensing calculations in WW 352.
WW 16.1

General coverage (Not Table-G)
(Monographs and Serials)

WW 17

Atlases. Pictorial works

Classify here also atlases on a specific part of the eye.
WW 18

Education

Classify here works about education.
WW 18.2

Educational materials
(Monographs and Serials)

Classify here educational materials, e.g., outlines, questions and answers, programmed instruction, computer-assisted instruction, etc., regardless of format. Classify textbooks, regardless of format, by subject.
WW 19

Schools, departments, and faculties of ophthalmology (Table-G)
(Monographs and Serials)

Include here works on the history of schools. Classify courses of study, catalogs, etc., in W 19.5.
WW 19.1

General coverage (Not Table-G)
(Monographs and Serials)

WW 20

Research (General)

Classify here works about research in general. Classify works about research on a particular subject by subject.
WW 21

Ophthalmology as a profession. Ethics. Peer review

Classify works on the specialty alone here. Classify works on both the specialty and diseases in WW 100. Classify works on optometry and opticianry in WW 21.7.
WW 21.5

Ophthalmic assistants

WW 21.7

Optometry and opticianry as a profession

WW 22

Directories (Table-G)
(Monographs and Serials)

WW 22.1

General coverage (Not Table-G)
(Monographs and Serials)

WW 23

Collective laboratories, academies, institutes, etc.

WW 24

Individual laboratories, academies, institutes, etc. (Cutter from name of institution)

WW 25

Laboratory manuals. Technique

WW 26

Equipment and supplies

Classify catalogs in W 26.
WW 26.5

Informatics. Electronic data processing. Computers (General)

Classify works on use for special subjects by subject.
WW 27

Collective hospitals, clinics, dispensaries, etc. (Table-G)

WW 27.1

General coverage (Not Table-G)

WW 28

Individual hospitals, clinics, dispensaries, etc. (Cutter from name of hospital) (Table-G)

WW 28.5

Collective museums, exhibitions, etc.

WW 28.6

Individual museums, exhibitions, etc. (Cutter from name of museum, etc.) (Table-G)

WW 32

Laws. Estimation of disability for compensation (Table-G)
(Monographs and Serials)

WW 32.1

General coverage (Not Table-G)
(Monographs and Serials)

WW 33

Discussion of law (Table-G)
(Monographs and Serials)

WW 33.1

General coverage (Not Table-G)
(Monographs and Serials)

WW 39

Handbooks. Resource guides
(Monographs and Serials)

WW 80

Popular works (General)

WW 100

General works

Classify works on specialty and on the specialty and diseases here. Classify works on diseases alone in WW 140.
Back to top

Eye Anatomy. Physiology
WW 101

Anatomy. Histology. Embryology. Abnormalities

WW 103

Physiology of the eye

WW 104

Ocular vision

WW 105

Visual perception

Cf. WW 150  Color perception.
WW 109

Ocular accommodation. Ocular adaptation

[WW 113]

[This number not used]

Classify prevention of vision disorders in WW 140.5; eye protective devices in WW 26.
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Diseases. Color Perception
WW 140

Eye diseases (General or not elsewhere classified)

Classify works on both the specialty and diseases in WW 100. Classify works on eye infections or hypersensitivity diseases in WW 160.
WW 140.5

Vision disorders (General or not elsewhere classified)

Classify works on blindness in WW 276.
WW 141

Examination. Diagnosis. Diagnostic methods (General)

Classify works on the examination of a part with the part.
WW 143

Objective methods

Classify works on electronystagmography in WW 410; on electroretinography or ophthalmodynamometry in WW 270; on gonioscopy in WW 210.
WW 145

Subjective methods

WW 149

Eye neoplasms

Classify works on neoplasms of parts of the eye with the part.
WW 150

Color perception. Color vision

Cf. WW 105  Visual perception
WW 160

Eye infections. Eye hypersensitivity (General or not elsewhere classified)

Classify here diseases or infections whether caused by bacteria, parasites, viruses, or hypersensitivity. Classify works on eye diseases in general in WW 140.
Back to top

Therapeutics. Eye Banks
WW 166

Rehabilitation. Therapy (General)

Classify works on rehabilitation or therapy of a particular disorder with the disorder. Cf. WW 168 Ophthalmologic surgical procedures
WW 168

Ophthalmologic surgical procedures (General)

Classify works on surgery for a particular disorder with the disorder. Cf. WW 340 Refractive surgery.
WW 170

Eye banks. Eye bank procedures (including those for specific parts of the eye)

Back to top

Eye Structures and their Diseases
WW 202

Orbit

WW 205

Eyelids. Eyebrows

WW 208

Lacrimal apparatus

WW 210

Anterior chamber. Anterior eye segment

WW 212

Conjunctiva

WW 215

Trachoma

WW 220

Cornea

WW 225

Corneal diseases

WW 230

Sclera

WW 240

Uvea. Iris. Ciliary body

WW 245

Choroid

WW 250

Vitreous body

WW 258

Crystalline lens. Lens diseases

WW 260

Cataract. Cataract extraction

WW 270

Retina

WW 272

Retinal diseases (General or not elsewhere classified)

WW 273

Retinal degeneration

WW 274

Retinal detachment

WW 276

Blindness

WW 280

Optic nerve

WW 285

Ocular hypertension

WW 290

Glaucoma

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Ocular Refraction. Refractive Errors
WW 300

Ocular refraction. Refractive errors (General)

WW 310

Astigmatism

WW 320

Myopia

WW 340

Refractive surgical procedures (General or not elsewhere classified)

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Optometry
WW 350

Optometry

Classify works on optometry and opticianry as a profession in  in WW 21.7.
[WW 352]

[This number not used]

WW 354

Eyeglasses

Classify works on intraocular lenses in WW 358 or if exclusively for cataract therapy, in WW 260.
WW 355

Contact lenses

WW 358

Ocular prosthesis

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Eye Movements. Oculomotor Muscles. Neuro-Ophthalmic Conditions
WW 400

Eye movements. Oculomotor muscles

WW 405

Orthoptics (General)

WW 410

Ocular motility disorders

WW 415

Strabismus

WW 460

Neuro-ophthalmic conditions (General)

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Manifestations of Disease
WW 475

Eye manifestations of general disease

Classify works on eye manifestations of nervous system diseases in WW 460. Classify works on eye manifestations of specific diseases with disease.
[WW 480]

[This number not used]

Back to top

Occupational Ophthalmology. Eye Injuries
WW 505

Occupational ophthalmology

WW 525

Eye injuries

Classify works on occupational eye injuries in WW 505.
Back to top

Age Groups
WW 600

Pediatric ophthalmology and optometry (General or not elsewhere classified)

Classify works on particular disorders with the disorder. Classify pediatric ophthalmologic surgical procedures in WW 168.
WW 620

Geriatric ophthalmology and optometry (General or not elsewhere classified)

Classify works on particular disorders with the disorder. Classify geriatric ophthalmologic surgical procedures in WW 168.
[WW 704]

[This number not used]

Classify general works on optometry and on office management at WW 350.
[WW 721]

[This number not used]

Classify works on optometry and opticianry as a profession in WW 21.7.
[WW 722]

[This number not used] (Table-G)

Classify optometry directories in WW 22.
[WW 722.1]

[This number not used] (Not Table-G)

Classify optometry directories in WW 22.