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Submission Preparation Checklist

As part of the submission process, authors are required to check off their submission's compliance with all of the following items, and submissions may be returned to authors that do not adhere to these guidelines.
  • 1. The article is in the correct format.
    For Thai article, use “TH Sarabun New” font, 14 point
    For English article, use “Times New Roman” font, 12 point
    Set format to left aligned, single space
  • 2. Title page
    • Title in English
    • Title in Thai
    • Provide authors’ first name, last name, institution, address, telephone number in Thai
    • Provide authors’ first name, last name, institution, address, telephone number in English
    • Identify corresponding author
  • 3. Abstract page (some form of article such as letter to the editor, case report, may not need abstract)
    • Thai abstract within 350 words
    • English abstract within 250 words
    • Provide 3-6 Keywords
  • 4. Put article text, table, picture, and reference in separate section
  • 5. Table: Table title should be in English. There should be no vertical lines in the table
  • 6. Picture: The description of picture should be in English. Please provide picture file with high resolution (at least 350 ppi) in the format of TIFF, JPEG, or PNG.
  • 7. Reference: In the correct format
  • 8. Please confirm that this article:
    • has never been published anywhere before
    • is currently not in the process of submission to other journal
  • 9 Declaration of conflict of interest
    • The author(s) have no conflict of interest to declare
    • The author(s) may have conflict of interest
    • Give details …………………………………

Author Guidelines

Guides for Authors


A.Basic Information

            The Thai Journal of Ophthalmology (TJO) is a peer-reviewed, scientific journal published biannually for the Royal College of Ophthalmologists of Thailand and the Ophthalmological Society of Thailand. The objectives of the journal is to provide up to date scientific knowledge in the field of ophthalmology, provide ophthalmologists with continuing education, promote cooperation, and sharing of opinion among readers.

            The copyright of the published article belongs to the Thai Journal of Ophthalmology. However the content, ideas and the opinions in the article are from the author(s). The editorial board does not have to agree with the authors’ ideas and opinions.

            The authors or readers may contact the editorial board via email at


            At present, the TJO has evolved into the online journal platform to enhance the efficiency, transparency and of the fairness of the article selection, review and selection. This will improve the quality of the journal to be eligible for the Thai Journal Citation Index. The other benefit of the online journal platform is the articles can reach broader readers.

            Authors may submit articles through the Royal College of Ophthalmologists of Thailand’s website ( After clicking “Article Submission” (“ส่งบทความวิชาการตีพิมพ์”) the authors may go through the submission processes. Authors who encounter problems during article submission can contact staffs by email. (


B.Types of articles

            The TJO publishes Original Articles (นิพนธ์ต้นฉบับ), Case Reports (รายงานผู้ป่วย), Reviews (บทความฟื้นฟูวิชาการ), Correspondence (จดหมายถึงบรรณาธิการ), Perspectives and Editorials (บทบรรณาธิการ). Articles submitted for publication should be original, with the understanding that they have not been and will not be published elsewhere. Authors may be requested to provide the data upon which the manuscript is based and answer any question about the manuscript during the peer review process.

Original Articles (นิพนธ์ต้นฉบับ)

            Original articles are previously unpublished manuscripts to provide up to date information to ophthalmic society. They include clinical trials, diagnostic tests, clinically relevant laboratory investigations, other clinical researches, public health or other related basic science researches.

 Case Reports (รายงานผู้ป่วย)

            Case reports are articles that describe clinical case(s) with unusual presentation, clinical course, and response to management. This includes new modality of management, surgical techniques etc.

Reviews (บทความฟื้นฟูวิชาการ)

            TJO welcomes authors to submit high quality reviews, systematic reviews, or meta-analysis to provide up to date knowledge for the readers.


            Letters about recent articles published in the TJO are encouraged to provide different viewpoint and discussion on the subjects.

Perspectives and Editorials

            Perspectives and Editorials are focused opinion on any issues related to ophthalmology, or analytic, interpretative opinion upon the submitted manuscript. These are intended to provide analytical opinion and stimulate discussion among the readers.


 C.Manuscript Preparation

            It is advised that the manuscript be prepared using Microsoft Word (Version 2013 or later). The manuscript is prepared for A4 paper, using font “Th SarabunPSK”, font size 14 for Thai language; and font “Times New Roman” font size 12 for English language. The paragraph line spacing should be set as single. The figure should be saved separately in high resolution in either TIFF, PNG or JPEG format.

            Component of the manuscript are as followings:

  1. Cover letter

            The cover letter should include the information of the article that the authors would like to convey to the editor. The principal investigator or corresponding author for the article containing original data should confirm in the cover letter that he or she "had full access to all the data in the study and takes responsibility for the integrity of the data and the accuracy of the data analysis as well as the decision to submit for publication."

  1. Title page

            The title of a manuscript should be as concise and clear as possible. The title page must include:

                        2.1 Title in English (no more than 140 characters)

                        2.2 Title in Thai (no more than 200 characters)

                        2.3 Authors’ full name, address, and institutional affiliation (in Thai and English). All authors should provide the financial disclosure.

                        The editorial board adheres to the recommendation set by the International Committee of Medical Journal Edotors ( that that authorship be based on the following 4 criteria:

  • Substantial contributions to the conception or design of the work; or the acquisition, analysis, or interpretation of data for the work; AND
  • Drafting the work or revising it critically for important intellectual content; AND
  • Final approval of the version to be published; AND
  • Agreement to be accountable for all aspects of the work in ensuring that questions related to the accuracy or integrity of any part of the work are appropriately investigated and resolved.

                        2.4 The name, address, phone number, fax number, and e-mail address of the Corresponding Author. The Corresponding Author will be responsible for all questions about the manuscript and for reprint requests. Only one author can be designated as Corresponding Author.

                In any study involving human subjects, the authors should declare the approval from the Ethics Committee.

            All authors must declare about financial interests in any products mentioned.

            Note: Number the pages of the manuscript consecutively, beginning with the Title Page as page 1.

  1. Abstract

            3.1 Abstract (in English), should not exceed 250 words. If possible, the  abstract  should  be  written  as  structured abstract,  which  includes:  objectives  or  purpose,  methods,  main  outcome  measures,  results  and conclusions.

            3.2 Abstract (in Thai), should not exceed 300 words.

            3.3 Key words. The authors may provide 3-6 key words.

  1. The article should compose of several sections as necessary. For the original article, the sections should be: introduction, materials and methods, results, discussion and acknowledge.
  2. Tables

            Each table should be in separate page.

  1. Figures

            Figures and legends should be separated from the article text. The figures should be saved in TIFF, JPEG, or PNG format. The required minimum resolution for publication is ≥350 ppi.

  1. References.

            The authors should write the references according to the AMA Manual of Style, A Guide for Authors and Editors, Tenth Edition, ISBN 0-978-0-19-517633-9.

            The authors should list up to 3 authors. If there are more than 3 authors, list only 3 authors and followed by et al.

Example of reference writing:

Reference to a journal publication:

  1. Wong CW, Yanagi Y, Lee WK, et al. Age-related macular degeneration and polypoidal choroidal vasculopathy in Asians. Prog Retin Eye Res. 2016;53:107-139.

Reference to a chapter in an edited book:

  1. Mettam GR, Adams LB. How to prepare an electronic version of your article. In: Jones BS, Smith RZ, eds. Introduction to the Electronic Age. New York, NY: E-Publishing Inc; 2009:281-304.

Reference to a website:

  1. National Health Service (NHS) Diabetic Eye Screening Programme and Population Screening Programmes. Diabetic eye screening: commission and provide. 2015. Accessed September 24, 2017.


D.Editorial Policies for Authors

            The authors are responsible to provide the most accurate information and logical interpretation of data. The opinions presented in the article are the authors’ opinion. The editorial board may or may not agree with the published opinion.

            All authors are required to report potential conflicts of interest related to the article.

            For all manuscripts reporting data from studies involving human participants or animals, formal review and approval, or formal review and waiver, by an appropriate institutional review board or ethics committee is required and should be described in the Methods section.


E.Editorial and Peer Review

            All submitted manuscripts are reviewed initially by one of the editors. Manuscripts are evaluated according to the following criteria: material is original and timely, writing is clear, study methods are appropriate, data are valid, conclusions are reasonable and supported by the data, information is important, and topic has general interest to readers of this journal. From these basic criteria, the editors assess a paper's eligibility for publication. Manuscripts with insufficient priority for publication are rejected promptly. Other manuscripts are sent to expert consultants for peer review. Authors’ identification are made unknown to the reviewers. Final decision are made by editor in chief.

            Authors may appeal decisions. All appeals are reviewed by the editor in chief.               

Original Articles


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