PONE-D-22-03935Demographic profiles of contact lens wearers and their association with lens wear characteristics in Trinidad and Tobago: A retrospective studyPLOS ONE

Dear Dr. Osuagwu,

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Reviewers' comments:

Reviewer's Responses to Questions

Comments to the Author

1. Is the manuscript technically sound, and do the data support the conclusions?

The manuscript must describe a technically sound piece of scientific research with data that supports the conclusions. Experiments must have been conducted rigorously, with appropriate controls, replication, and sample sizes. The conclusions must be drawn appropriately based on the data presented.

Reviewer #1: Partly

Reviewer #2: Yes

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2. Has the statistical analysis been performed appropriately and rigorously?

Reviewer #1: Yes

Reviewer #2: Yes

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3. Have the authors made all data underlying the findings in their manuscript fully available?

The PLOS Data policy requires authors to make all data underlying the findings described in their manuscript fully available without restriction, with rare exception (please refer to the Data Availability Statement in the manuscript PDF file). The data should be provided as part of the manuscript or its supporting information, or deposited to a public repository. For example, in addition to summary statistics, the data points behind means, medians and variance measures should be available. If there are restrictions on publicly sharing data—e.g. participant privacy or use of data from a third party—those must be specified.

Reviewer #1: Yes

Reviewer #2: Yes

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4. Is the manuscript presented in an intelligible fashion and written in standard English?

PLOS ONE does not copyedit accepted manuscripts, so the language in submitted articles must be clear, correct, and unambiguous. Any typographical or grammatical errors should be corrected at revision, so please note any specific errors here.

Reviewer #1: Yes

Reviewer #2: Yes

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5. Review Comments to the Author

Please use the space provided to explain your answers to the questions above. You may also include additional comments for the author, including concerns about dual publication, research ethics, or publication ethics. (Please upload your review as an attachment if it exceeds 20,000 characters)

Reviewer #1: In this manuscript, the authors studied the demographic profiles of contact lenses wearers and their associations whit purpose of wear, CLs materials, replacement schedule, and modality of wear in Trinidad y Tobago

The results are interesting, but some important things need to be addressed in methodology and text redaction.

In my opinion the biggest limitation is that since the data was collected only from one clinic the authors could not make a valid inference from their sample for the whole Trinidad y Tobago population.

Line 145: The authors should define the meaning of the different purpose of wear, particularly fashion and therapeutic/cosmesis.

Table 1 and Line 171. Cosmesis is not report in the table 1. The authors should always use the same terminology to make the reading of the work simpler and avoid confusing the reader.

Line 176-177:

“Most (61%) record cards did not reflect the type of lens system used.” Insert lens care system.

“…used multipurpose solution and 14% used Boston solution”. The authors should define which type of lens care is “Boston solution” because Boston solution is a brand of Bausch and Lomb company which includes many different types of solutions.

The authors should include the company data in the manuscript

Minor issue:

Lines 92 and 95: Trinidad y Tobago had been previously defined, authors should use the abbreviations

Reviewer #2: our study provided baseline data on the demographical profile of

269 CL in T&T and could be used for comparison across the Caribbean in future studies.

As stated in the methods section the study is a retrospective study that reviewed Cl wearers clinical records of 243 CL wearers attending a university clinic. However, in the abstract authors should not refer to the record as “About half of the respondents wear” . as there is now acquired responses from the wearers. (lines 40-41)

Lines 140-141

Exclusion criteria, why to exclude contact lens prescribed outside UWI optometry clinic. As the aim of the study is to study characteristic of contact lenses in the population rather than single clinic?

The author mentioned a brand of boston solution, can more details add is it RGP solution? ANY OTHER DETAILS.

Table 1 for better readability and comparison to include number of participants and percentage in one column n (%)

Table 2 contact lens type the sum of percentages does not give a total of 100%

The discussion could include more elaboration on the نثغ findings mentioned in the result section,

Age, gender and employment status

Line 263 “questionnaire-based studies”, the study is retrospective no mention of any questionnaire or patients interview

Conclusion: respondent word should not be used in the study as it is retrospective based

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Reviewer #1: No

Reviewer #2: Yes: May M Bakkar

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Demographic profiles of contact lens wearers and their association with lens wear characteristics in Trinidad and Tobago: A retrospective study

PONE-D-22-03935R1

Dear Dr. Osuagwu,

We’re pleased to inform you that your manuscript has been judged scientifically suitable for publication and will be formally accepted for publication once it meets all outstanding technical requirements.

Within one week, you’ll receive an e-mail detailing the required amendments. When these have been addressed, you’ll receive a formal acceptance letter and your manuscript will be scheduled for publication.

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Kind regards,

Diego García-Ayuso, PhD

Academic Editor

PLOS ONE

Additional Editor Comments (optional):

Reviewers' comments:

Reviewer's Responses to Questions

Comments to the Author

1. If the authors have adequately addressed your comments raised in a previous round of review and you feel that this manuscript is now acceptable for publication, you may indicate that here to bypass the “Comments to the Author” section, enter your conflict of interest statement in the “Confidential to Editor” section, and submit your "Accept" recommendation.

Reviewer #1: All comments have been addressed

Reviewer #2: All comments have been addressed

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2. Is the manuscript technically sound, and do the data support the conclusions?

The manuscript must describe a technically sound piece of scientific research with data that supports the conclusions. Experiments must have been conducted rigorously, with appropriate controls, replication, and sample sizes. The conclusions must be drawn appropriately based on the data presented.

Reviewer #1: Yes

Reviewer #2: Yes

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3. Has the statistical analysis been performed appropriately and rigorously?

Reviewer #1: Yes

Reviewer #2: Yes

**********

4. Have the authors made all data underlying the findings in their manuscript fully available?

The PLOS Data policy requires authors to make all data underlying the findings described in their manuscript fully available without restriction, with rare exception (please refer to the Data Availability Statement in the manuscript PDF file). The data should be provided as part of the manuscript or its supporting information, or deposited to a public repository. For example, in addition to summary statistics, the data points behind means, medians and variance measures should be available. If there are restrictions on publicly sharing data—e.g. participant privacy or use of data from a third party—those must be specified.

Reviewer #1: Yes

Reviewer #2: Yes

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5. Is the manuscript presented in an intelligible fashion and written in standard English?

PLOS ONE does not copyedit accepted manuscripts, so the language in submitted articles must be clear, correct, and unambiguous. Any typographical or grammatical errors should be corrected at revision, so please note any specific errors here.

Reviewer #1: Yes

Reviewer #2: Yes

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6. Review Comments to the Author

Please use the space provided to explain your answers to the questions above. You may also include additional comments for the author, including concerns about dual publication, research ethics, or publication ethics. (Please upload your review as an attachment if it exceeds 20,000 characters)

Reviewer #1: The changes made by the authors have improved the manuscript, especially in the sections on methodology, discussion and Limitations and strengths.

Reviewer #2: Thanks for considering all comments. The authors gave satisfying revision and addressed all the comments.

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7. PLOS authors have the option to publish the peer review history of their article (what does this mean?). If published, this will include your full peer review and any attached files.

If you choose “no”, your identity will remain anonymous but your review may still be made public.

Do you want your identity to be public for this peer review? For information about this choice, including consent withdrawal, please see our Privacy Policy.

Reviewer #1: No

Reviewer #2: Yes: May M Bakkar

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