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Instructions to Authors
 
Enacted June 1, 1987
Revised December 1, 2009
 
Manuscripts for submission to the Korean Journal of Ophthalmology (KJO) should be prepared according to the following instructions. KJO follows the Uniform Requirements for Manuscripts Submitted to Biomedical Journals: Writing and Editing for Biomedical Publication [1], if not otherwise described below.
 
PUBLICATION TYPES, QUALIFICATION FOR AUTHORS AND LANGUAGE
KJO focuses on clinical and experimental studies, case reports, reviews, letters to the editor, book reviews, editorials and announcements. Any physicians or researchers throughout the world can submit a manuscript if the scope of the manuscript is appropriate. Manuscripts should be submitted in English. Medical terminology should be written based on the most recent edition of Dorland¡¯s Illustrated Medical Dictionary [2] or the most recent edition of English-Korean Korean-English Medical Terminology [3], published by the Korean Medical Association.
 
RESEARCH AND PUBLICATION ETHICS
For the policies on research and publication ethics that are not stated in these instructions, the Good Publication Practice Guidelines for Medical Journals [4] or the Guidelines on Good Publication Practice [5] can be applied.
Registration of clinical trial research:
Any research that deals with a clinical trial should be registered with a primary national clinical trial registration site such as http://ncrc.cdc.go.kr/cris, or other sites accredited by the WHO or the International Committee of Medical Journal Editors.
Conflict of interest:
Authors are required to disclose commercial or similar relationships to products or companies mentioned in or related to the subject matter of the article being submitted. Sources of funding for the article should be acknowledged in a footnote on the title page. Affiliations of authors should include corporate appointments relating to or in connection with products or companies mentioned in the article.
Ethical consideration:
When doing research on human subjects, the purpose of the research and the psychological and physical injuries which may occur from participation in the research must be fully explained to patients or guardians based upon the Declaration of Helsinki [6], and agreement for participation should be obtained.
Statement on the use of animals:
When doing research on animal subjects, efforts should be made to minimize the pain and discomfort of experimental animals according to the guidelines of the ARVO Statement for Use of Animals in Ophthalmic and Vision Research [7], and that should be stated.
Publication ethics:
Studies should pursue the fundamental principles of honesty, truthfulness, and accuracy in all research activities, and reject dishonest acts such as fabrication, falsification, and plagiarism.
Secondary publication:
It is possible to republish manuscripts if the manuscripts satisfy the condition of secondary publication of the Uniform Requirements for Manuscripts Submitted to Biomedical Journals [1].
 
COPYRIGHT TRANSFER
The copyright on all published articles will be held by the Korean Ophthalmological Society. At the time of submission, each manuscript should be accompanied by an original Copyright Transfer Agreement signed by all authors.
 
MANUSCRIPT PREPARATION GUIDELINES
Manuscripts must be submitted in scientifically correct English. Articles received that do not comply with this requirement will be returned to the author before being considered for publication.

All manuscripts must be submitted online via the Korean Ophthalmological Society e-submission & Review System (http://www.ophthalmology.org/kjo). The text must be submitted as a Microsoft Office Word (*.doc) file. The article must be in 10-point font, double-spaced, and with 2.5-cm margins Initiative Type of study Source CONSORT Randomized controlled trials http://www.consort-statement.org/ STARD Studies of diagnostic accuracy http://www.stard-statement.org/ PRISMA Systematic reviews and meta-analyses http://www.ncbi.nlm.nih.gov/pmc/articles/PMC2714672/?tool=pubmed STOBE Observational studies in epidemiology http://www.strobe-statement.org/ MOOSE Meta-analyses of observational studies in epidemiology http://www.consort-statement.org/Initiatives/MOOSE/moose.pdf on each side. A running title of not more than 50 characters including blank space and page number should appear at the top right of each page. No abbreviations should be included in the title.
Reporting guidelines for specific study designs:
For each specific study design, such as a randomized control study, study of diagnostic accuracy, meta-analysis, observational study or non-randomized study, it is recommended that authors follow the reporting guidelines listed in following table [1]. All manuscripts should be accompanied by the Application for Publication and the checklist should be completed for Manuscript Submission. The application should contain the title of the paper, names and institutional addresses, contact numbers and signatures of all author(s). It should also include information on prior or duplicate publication or submission and the originality of the manuscript, as well as any other information that the authors want to convey to the Editor-in-Chief. The authors should indicate whether the manuscript was previously rejected or evaluated in any form by another journal, and they should describe specifically how they have improved the manuscript.

All manuscripts should conform to the checklist.
Style:
All papers should contain:
1) title page,
2) abstract,
3) introduction,
4) materials and methods,
5) discussion (by referring to the literature),
6) reference,
7) illustrations and explanatory captions, and
8) table in that order.
Sequence numbers should not be used to describe the text.
Title page:
This page should contain the article title, full name(s) of author(s), department(s) and institution(s), and the name, address, e-mail address, and telephone and fax numbers of the corresponding author. No abbreviations should be used for department and institution. The title should not exceed 15 words and two lines. The first letter of each word should be capitalized except for a particle, preposition, or conjunction. The title should not include any abbreviations or product names. If the paper has been presented in an academic conference, the title of the seminar, date, and place should be noted at the bottom of the page. Sponsorships or subsidies, if any, must also be disclosed.
Abstract:
The abstract should provide an overview of all text in a concise manner. The abstract should not exceed 250 words and be structured to include the following sections: Purpose, Methods, Results, and Conclusions. Up to 5 keywords may be listed alphabetically after the abstract. The keywords should be from MeSH [8], should be separated by a comma, and the first letter of each word should be capitalized.
Text:
Introduction: The main purposes of the study should be systematically presented in a cohesive and logical manner. Any background information should be mentioned only when it is closely linked to the purpose, and factors irrelevant to the study should be avoided.
Materials and Methods: The purpose of research, materials, and methods should be described in detail, including how subjects were composed and surveyed. In addition, experimental procedures should be specific enough that they can be repeated if the method of the experiment is important.
Results: The results of the study should be described accurately and logically. The observed data should be statistically evaluated for biological measurements, if there are lots of changes in data. Tables should not duplicate information that was mentioned in the text but be used to highlight key numerical information and points of interest.
Discussion: Discuss elements related to the purpose of the study and clarify results that support the conclusion by referring to the relevant literature while avoiding historical facts, book contents, and other irrelevant information.
Abbreviations must be defined immediately following the first use in the abstract, main text, figures, and tables. Nonstandard abbreviations should be avoided. Drugs and chemical names should be stated in standard chemical or generic nomenclature. Units of measure should be presented according to the International System (SI) of units [9]. Clinical data may be presented in conventional units with SI units in parentheses.
References
The list of references should be arranged in numerical order according to the sequence of citations within the text. That is, the citation number in the reference list and the number that appear in the text citation should be identical for the same reference. If not otherwise described here, it should follow the NLM Style Guide for Authors, Editors, and Publishers [10].
1) List name or names to cite a reference in the text: One author: Kim1, Two authors: Kim and Park1, Three or more: Kim et al.1
Initiative Type of study Source
CONSORT Randomized controlled trials http://www.consort-statement.org
STARD Studies of diagnostic accuracy http://www.stard-statement.org/
QUOROM Systematic reviews and meta-analyses http://www.ncbi.nlm.nih.gov/pmc/articles/PMC2714672/?tool=pubmed
STROBE Observational studies in epidemiology http://www.strobe-statement.org
MOOSE Meta-analyses of observational studies in epidemiology http://www.consort-statement.org/Initiatives/MOOSE/moose.pdf
2) All references should be cited in the text. Any thesis that has not been published should be listed with a remark of ¡°to be published in [month]¡± instead of the volume page number.
3) Any source marked as ¡°cited from...¡± cannot be valid. Abstracts, posters, word of mouth, and manufacturer's manuals cannot be cited as references.
4) Each reference should be cited as [1], [1, 7] or [1-3] at the end of the related phrases in the text.
5) List names of all authors when four or less. When five or more, list only the first three names and add et al.

Journal Article: References for journal articles should list the author(s), the full title of the article, the journal title, the year of publication, the volume number and page range. References for journal articles should conform to the journal title abbreviations used in Index Medicus [11].

Cho H, Choi A, Kang SW. Effect of internal limiting membrane removal in treatment of retinal detachment caused by myopic macular hole. Korean J Ophthalmol 2004;18:141-7.

Book & Book chapter: Book chapter references should list the author(s), chapter title, the book editor, the full title, the edition, the place of publication, the publisher, the year of publication and page range.

Miller NR, Newman NJ, Biousse V, Kerrison JB, editors. Walsh and Hoyt's clinical neuro-ophthalmology. 6th ed. Baltimore: Lipponcott Williams & Wilkins; 2005. p. 15-20.

Parks MM, Mitchell PR. Cranial nerve palsies. In: Tasman W, Jaeger EA, editors. Duane's clinical ophthalmology. Revised ed. Philadelphia: JB Lippincott; 1993. p. 55-101.
Figures and explanatory captions
Figures should be submitted as high-resolution JPG or GIF files (preferably 600 dpi for color figures and 1200 dpi for line art and graphs). They should be resubmitted as TIF files after acceptance. Number figures as Fig. 1, Fig. 2, ¡¦ in order of citation. If one figure is divided into several sections, do not combine it, but submit each of them separately. Illustrations can be marked with arrows, letters, or other indicators, if necessary. The explanatory caption of each illustration should be understandable without references to the text. A photo featuring a patient whose face can be identified should be accompanied by a written consent from the patient.
Tables
Each table should be numbered consecutively with Arabic numerals according to their sequence in the text and given a brief title. Each table should be on a separate page. Vertical lines or oblique lines should not be used to separate columns. Symbols can be used in the following order: *, ¢Ó, ¢Ô, ¡×, ¥Ð, #. Each symbol must be defined in the endnotes. Tables should be independently comprehensible without references to the text.
 
OTHER TYPES OF MANUSCRIPTS
Case reports
The above-mentioned requirements also apply to case reports. The recommended length for manuscripts is approximately 6 pages on A4 paper with a 10-point font. It should include a title page, abstract and keywords, introduction, case report, discussion, acknowledgments, references, tables, and figure legends. There should be an unstructured abstract less than or equal to 200 words.
Review
Reviews are invited by the editor and should be comprehensive analyses of specific topics. They should be include a title page, abstract and keywords, introduction, body text, conclusion, acknowledgments, references, tables, and figure legends. There should be an unstructured abstract less than or equal to 200 words.
Letters to the editor
Letters to the editor should be concise comments focusing on a recently KJO article. The letter should offer an alternative perspective, elucidate a flaw in methodology or a perceived misinterpretation of data, and address no more than two major points. All letters are subject to editorial approval.

Letters should be limited to 700 words, be double-spaced and include no more than five references. Please note that letters are not published with tables or figures. The title is limited to 40 characters. A letter should open with ¡°Dear Editor¡± and the article being commented on should be referenced in the first paragraph of the letter. Letters should end with the name, degree, department, and institution of each author. For example, Gil Dong Hong, MD, Department of Ophthalmology, St. Mary¡¯s Hospital, The Catholic University of Korea College of Medicine.
 
COST
Costs incurred for the publication of manuscripts will be charged to the authors. Authors will receive 30 copies of their paper.
 
PEER REVIEW PROCESS
To determine the acceptance of an article for publication, the papers will be peer-reviewed by at least two members of the editorial board. The Editor-in-Chief¡¯s decision will be final. Before publication, page proofs will be forwarded to the corresponding author, who will bear the responsibility for the final content, including all proofreading and copyediting changes.
 
REQUIREMENTS FOR MANUSCIPRT SUBMISSION
All manuscripts should conform to the requirements specified herewith.

1) The publication can be delayed for any manuscripts that are not consistent with thesis format and not verified for spelling errors.
2) If the relevant literatures published in Korea are not cited without specific reasons, the manuscript can be disadvantaged during the peer-review process.
3) Manuscripts should not be altered after the peer-review.
4) The corresponding author will double as the responsible author, but a resident doctor cannot be a responsible author.
5) The Application for Publication form should bear the author¡¯s signature.
6) If there is a change in authors, the reasons for the change should be submitted to the association to secure the consent of the Editor-in-Chief. For the change in the first author or the corresponding author, the consent of the Editing Committee should be sought.
7) The name and institutional address of the author should not be mentioned in the text.

 
SUBMISSION
All manuscripts can be submitted via our online manuscript submission service available at www.ophthalmology.org/kjo. Authors who are unable to submit online should contact the Editorial Office:
Editor-in-Chief Young Suk Yu, MD
Korean Ophthalmological Society
Seocho World Officetel #1007
1355-3, Seocho 2 dong, Seocho gu
Seoul 137-862, Korea
Tel: 82-2-583-6520, Fax: 82-2-583-6521
E-mail: kos@ophthalmology.org
Webpage: www.ophthalmology.org/kjo/
 
REFERENCES RELATED TO INSTRUCTIONS FOR AUTHORS
1. International Committee of Medical Journal Editors. Uniform Requirements for Manuscripts Submitted to Biomedical Journals: Writing and Editing for Biomedical Publication [Internet]. International Committee of Medical Journal Editors; 1979 [updated 2008 Oct; cited 2009 Nov 1]. Available from: http://www.icmje.org/urm_main.html.

2. Dorland WA. Dorland¡¯s Illustrated Medical Dictionary [Internet]. Elsevier; c1898 [updated 2008; cited 2009 Nov 1]. Available from: http://www.dorlands.com.

3. Korean Medical Association. English-Korean Korean- English Medical Terminology [Internet]. Seoul (Korea): Korean Medical Association; 1977 [updated 2005; cited 2009 Nov 1]. Available from: http://www.kamje.or.kr/term.

4. Korean Association of Medical Journal Editors. Good Publication Practice Guidelines for Medical Journals [Internet]. Seoul: Korean Association of Medical Journal Editors; 2008 [cited 2009 Nov 1]. Available from: http://kamje. or.kr /publishing_ ethics.html.

5. Committee on Publication Ethics. Guidelines on Good Publication Practice [Internet]. London: Committee on Publication Ethics; 1999 April [cited 2009 Nov 1]. Available from: http://publicationethics.org/static/1999/1999pdf13.pdf.

6. World Medical Association. Declaration of Helsinki [Internet]. Ferney-Voltaire: World Medical Association; 1964 [updated 2008 Oct; cited 2009 Nov 1]. Available from: http:// http://www.wma.net/e/policy/b3.htm.

7. The Association for Research in Vision and Ophthalmology. Statement for the Use of Animals in Ophthalmic and Visual Research [Internet]. Rockville (MD): Association for Research in Vision and Ophthalmology; [cited 2009 Nov 1]. Available from: http://www.arvo.org/eweb/dynamicpage. aspx?site=arvo2&webcode=AnimalsResearch.

8. National Library of Medicine (US). MeSH [Internet]. Bethesda (MD): National Library of Medicine (US); 1954 [updated 2009, cited 2009 Nov 1]. Available from: http:// www.ncbi.nlm.nih.gov/sites/entrez?db=mesh.

9. Bureau International des Poids et Mesures. The International System of Units [Internet]. Cedex (FR): Bureau International des Poids et Mesures; 1960 [updated 1971; cited 2009 Nov 1]. Available from: http://www.bipm.org/en/si.

10. Patrias, K. Citing Medicine. The NLM style guide for authors, editors, and publishers [Internet]. 2nd ed. Wendling DL, technical editor. Bethesda (MD): National Library of Medicine (US); 2007 [updated 2009 Jan 14; cited 2009 Nov 1]. Available from: http://www.nlm.nih.gov/citingmedicine.

11. National Library of Medicine (US). Journals [Internet]. Bethesda (MD): National Library of Medicine (US); 2009 [cited 2009 Nov 1]. Available from: http://www.ncbi.nlm. nih.gov/sites/entrez?db=journals.