This standard specifies the diagnostic criteria and treatment principles for occupational acute photoelectric ophthalmia. This standard applies to the diagnosis and treatment of occupational acute photoelectric ophthalmia. GBZ 9-2002 Diagnostic criteria for occupational acute photoelectric ophthalmia (ultraviolet keratoconjunctivitis) GBZ9-2002 Standard download decompression password: www.bzxz.net

ICS13.100
National Occupational Health Standard of the People's Republic of China GBZ9—2002
Diagnostic Criteria of Occupational Acute Electric Ophthalmia(Kerato-Conjunctivitis Caused by Ultraviolet Rays)Published on April 8, 2002
Ministry of Health of the People's Republic of China
Implementation on June 1, 2002
Article 5.1 of this standard is recommended, and the rest are mandatory. This standard is formulated in accordance with the Law of the People's Republic of China on the Prevention and Control of Occupational Diseases. From the date of implementation of this standard, if the original standard GB7795-1987 is inconsistent with this standard, this standard shall prevail. In occupational activities, electric welders and all workers who are exposed to ultraviolet radiation may cause ultraviolet conjunctivitis if they are not properly protected. This standard is formulated to protect the health of workers. Appendix A of this standard is an informative appendix, and Appendix B is a normative appendix. This standard is proposed and managed by the Ministry of Health of the People's Republic of China. This standard was drafted by the Institute of Occupational Health and Poison Control of the Chinese Center for Disease Control and Prevention and the Department of Ophthalmology of Peking University Third Hospital.
This standard is interpreted by the Ministry of Health of the People's Republic of China. ..comGBZ9-2002
Diagnostic criteria for occupational acute photoelectric ophthalmia (ultraviolet keratoconjunctivitis) Photoelectric ophthalmia is keratoconjunctivitis caused by ultraviolet radiation of the eye. Electric welding workers and all workers who are exposed to ultraviolet radiation can suffer from it.
1 Scope
This standard specifies the diagnostic criteria and treatment principles for occupational acute photoelectric ophthalmia. This standard applies to the diagnosis and treatment of occupational acute photoelectric ophthalmia. 2 Diagnostic principles
Based on the occupational history of ultraviolet radiation to the eyes and the clinical manifestations of damage to the conjunctiva and corneal epithelium of both eyes, refer to the investigation of the working environment, conduct a comprehensive analysis, and exclude damage to the conjunctiva and corneal epithelium caused by other reasons before diagnosis can be made. 3 Observation subjects
Those who have any of the following symptoms within 24 hours after exposure to ultraviolet rays can be listed as observation subjects. a) Mild eye discomfort, such as dry eyes, swollen eyes, foreign body sensation and burning sensation; b) Mild congestion of the bulbar conjunctiva of the facial fissure;
c) Mild edema of the corneal epithelium, negative fluorescein staining. 4 Diagnostic criteria
Those with a history of ultraviolet exposure and the following symptoms can be diagnosed. The foreign body sensation and burning sensation in the eye are aggravated, and there is severe pain, photophobia, tearing, and eyelid spasm; corneal epithelial detachment, positive fluorescein staining, fine dot staining or fused flake staining under a magnifying glass or slit lamp microscope: and flushing of the upper and lower eyelids and adjacent facial skin can be seen. Conjunctival congestion or accompanied by bulbar conjunctival edema. Treatment principles
5.1 Treatment principles
5.1.1 Temporarily avoid ultraviolet light work.
5.1.2 During the acute attack period, local analgesia and infection prevention treatment should be used, supplemented by treatment to promote corneal epithelial repair. 5.2 Other treatments
5.2.1 Observation subjects
Observe the condition for 24 hours.
5.2.2 Acute photoelectric conjunctivitis
Avoid ultraviolet light work or rest for 1 to 2 days. In severe cases, the rest period can be appropriately extended (no more than one week). Instructions for the correct use of this standard
See Appendix A (Informative Appendix),
Appendix B (Normative Appendix).
Appendix A
(Informative Appendix)
Instructions for the correct use of this standard
A.1 This standard is only applicable to the diagnosis of acute photoelectric conjunctivitis by welding workers, welding assistants and other workers who are exposed to ultraviolet radiation in work-related areas. A.2 In terms of occupational exposure history, special attention should be paid to the welding work environment, especially multi-machine joint operation, which can expose the eyes of welders, welding assistants, and other workers in the same workshop to a large amount of direct or indirect reflected ultraviolet radiation. A.3 For workers working on glaciers, snowfields, deserts, and sea surfaces, conjunctival corneal epithelial damage caused by a large amount of reflected ultraviolet radiation, that is, solar conjunctivitis, is also implemented in accordance with this standard. 4 Exclude superficial punctate keratitis caused by other reasons (such as chemicals): A.4
..comAppendix BbzxZ.net
(Normative Appendix)
Requirements for eye examination
Perform an external eye examination as usual, with a focus on the cornea. First, use a sterile glass rod to stick a small amount of 1% fluorescein into the conjunctival sac, then rinse with saline, and observe the corneal lesion under a magnifying glass or slit lamp microscope. And show it in a simple diagram
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