1. Abstract submission will open online from March 15, 2019 (Friday) to June 30, 2019 (Sunday) at
  2. Free papers, e-posters and videos are all welcome.
  3. All abstracts must be submitted in English exclusively via the online abstract submission system. Submissions by post, email, fax or any other means will NOT be accepted.
  4. AUTHORS – FIRST (PRESENTING) AUTHOR – The first author will be the presenting author. The First (Presenting) author is expected to register and pay the full registration fee, attend the Congress and make the presentation.
  5. Please provide an accurate email address of the First (Presenting) author. Abstract submission results and abstract-related correspondence will be sent by email to the First author.
  6. CO-AUTHOR(S) – A maximum of FIVE co-authors are allowed for each abstract. Type in the names and affiliations as you would like them to appear in any publication.
  7. ABSTRACT TITLE must be concise. Avoid using abbreviations in the title.
  8. Abstract Content (excluding title, authors, highest degrees and institutions) should include the following headings: PURPOSE, METHODS, RESULTS and CONCLUSIONS. The abstract must not exceed 250 words. Do not include graphs, tables, images and references in the abstract.
  9. Define each abbreviation the first time it is used in the abstract by placing what it stands for in parentheses.
  10. It is the author’s responsibility to submit an abstract with correct spelling and grammar. The Selection Committee, however, reserves the right to edit the abstract if it has significant spelling and grammatical mistakes.
  11. Successfully submitted abstracts will be acknowledged with an electronic receipt including an abstract reference number, which should be quoted in all future correspondence. If you do not receive the acknowledgement within 24 hours upon submission, please contact the Congress Secretariat by email at
  12. The Selection Committee strongly recommends the authors to submit their abstracts as early as possible in order to avoid last-minute rush and system congestion. When the abstract is submitted, it can be still revised by the submission deadline on June 30, 2019 (Sunday). Kindly note that only the latest version will be reviewed.
  13. The first (presenting) author can have a maximum of 5 submitted abstracts, with a maximum of 3 of each kind.
  14. Late submission will NOT be considered.
  15. Submitted abstracts would be peer-reviewed by the Selection Committee. The review process is confidential and the decision is final.
  16. Authors will be notified of the abstract selection results no later than Jul 15, 2019 (Monday).
  17. Authors may be given the option to change the format of their presentation as a condition for acceptance.
  18. Authors will risk being penalized and blacklisted for future APTOS meetings if their presentation deviate from the content of the submitted abstract.
  19. The 4th Asia Pacific Tele-Ophthalmology Society Symposium holds the copyright to all the materials presented at the Congress.