PLEASE READ THE FOLLOWING TERMS AND CONDITIONS OF USE CAREFULLY BEFORE USING THIS website. All users of this website agree that access to and use of this website are subject to the following terms and conditions and other applicable laws. If you do not agree to these terms and conditions, please do not use this website.


This website is provided to Gothika for the sole purpose of marketing LensServ Optical Inc.’s products and services. The website is own owned and operated solely by InVietCore


The entire content of this website, including but not limited to text, graphics, or code is copyrighted as a collective work under Vietnam and other copyright laws and is the sole property of InVietCore. This collective work includes works that are licensed to InVietCore. Permission is granted to electronically copy and print portions of this website for the sole purpose of placing an order with InVietCore. or purchasing InVietCore. products. You may display and, subject to any expressly stated restrictions or limitations relating to specific material, download or print portions of the material from the different areas of the website solely for your own non-commercial use, or to place an order with InVietCore, or to purchase InVietCore. products. Any other use, including but not limited to the reproduction, distribution, display, or transmission of the content of this website is strictly prohibited unless explicitly authorized by InVietCore. You further agree not to change or delete any proprietary notices from materials downloaded from the website.


All trademarks, service marks, and trade names of InVietCore. used in the website are trademarks or registered trademarks of InVietCore. or are used by permission.

Warranty Disclaimer

This website and the materials and products on this website are provided “as is” and without warranties of any kind, whether express or implied. To the fullest extent permissible pursuant to applicable law, InVietCore disclaims all warranties, express or implied, including, but not limited to, implied warranties of merchantability and fitness for a particular purpose and non-infringement. LensServ Optical Inc. does not represent or warrant that the functions contained in the website will be uninterrupted or error-free, that the defects will be corrected, or that this website or the server that makes the website available are free of viruses or other harmful components. LensServ Optical Inc. does not make any warranties or representations regarding the use of the materials in this website in terms of their correctness, accuracy, adequacy, usefulness, timeliness, reliability, or otherwise. Some states do not permit limitations or exclusions on warranties, so the above limitations may not apply to you.

Limitation of Liability

InVietCore shall not be liable for any special or consequential damages that result from the use of, or the inability to use, the materials on this website or the performance of the products, even if InVietCore has been advised of the possibility of such damages. Applicable law may not allow the limitation of exclusion of liability or incidental or consequential damages, so the above limitation or exclusion may not apply to you.

Typographical Errors

In the event that a InVietCore product is mistakenly listed at an incorrect price, LensServ Optical Inc. reserves the right to refuse or cancel any orders placed for a product listed at the incorrect price. InVietCore reserves the right to refuse or cancel any such orders whether or not the order has been confirmed and your credit card charged. If your credit card has already been charged for the purchase and your order is canceled, InVietCore shall issue a credit to your credit card account in the amount of the incorrect price.


These terms and conditions are applicable to you upon your accessing the website and/or completing the registration or shopping process. These terms and conditions, or any part of them, may be terminated by InVietCore without notice at any time, for any reason. The provisions relating to Copyrights, Trademark, Disclaimer, Limitation of Liability, Indemnification and Miscellaneous, shall survive any termination.


InVietCore or its subsidiaries may deliver notice to you by means of e-mail, a general notice on the website, or by another reliable method to the address you have provided to InVietCore.


Your use of this website shall be governed in all respects by the laws of Vietnam., without regard to choice of law provisions, and not by the 1980 U.N. Convention on contracts for the international sale of goods. You agree that jurisdiction over and venue in any legal proceeding directly or indirectly arising out of or relating to this website (including but not limited to the purchase of InVietCore products) shall be in the courts located in Da Nang, VN. Any cause of action or claim you may have with respect to the website (including but not limited to the purchase of InVietCore. products) must be commenced within one (1) year after the claim or cause of action arises. InVietCore.’s failure to insist upon or enforce strict performance of any provision of these terms and conditions shall not be construed as a waiver of any provision or right. Neither the course of conduct between the parties nor trade practice shall act to modify any of these terms and conditions. InVietCore may assign its rights and duties under this Agreement to any party at any time without notice to you

Use of Website

Harassment in any manner or form on the website, including via e-mail, chat, or by use of obscene or abusive language, is strictly forbidden. Impersonation of others, including a InVietCore or other licensed employee, host, or representative, as well as other members or visitors on the website is prohibited. You may not upload to, distribute, or otherwise publish through the website any content which is libelous, defamatory, obscene, threatening, invasive of privacy or publicity rights, abusive, illegal, or otherwise objectionable which may constitute or encourage a criminal offense, violate the rights of any party or which may otherwise give rise to liability or violate any law. You may not upload commercial content on the website or use the website to solicit others to join or become members of any other commercial online service or other organization.


All items purchased from Gothika / InVietCore are made pursuant to a shipment contract. This means that the risk of loss and title for such items pass to you upon our delivery to the carrier. InVietCore does not reimburse for shipping costs associated with any returns. Shipping fees are non-refundable.

Participation Disclaimer

InVietCore does not and cannot review all communications and materials posted to or created by users accessing the website, and is not in any manner responsible for the content of these communications and materials. You acknowledge that by providing you with the ability to view and distribute user-generated content on the website, InVietCore is merely acting as a passive conduit for such distribution and is not undertaking any obligation or liability relating to any contents or activities on the website. However, InVietCore reserves the right to block or remove communications or materials that it determines to be (a) abusive, defamatory, or obscene, (b) fraudulent, deceptive, or misleading, (c) in violation of a copyright, trademark or; other intellectual property rights of another or (d) offensive or otherwise unacceptable to InVietCore in its sole discretion.


You agree to indemnify, defend, and hold harmless InVietCore, Gothika, its officers, directors, employees, agents, licensors, and suppliers (collectively the “Service Providers”) from and against all losses, expenses, damages, and costs, including reasonable attorneys’ fees, resulting from any violation of these terms and conditions or any activity related to your account (including negligent or wrongful conduct) by you or any other person accessing the website using your Internet account.

Third-Party Links

In an attempt to provide increased value to our visitors, InVietCore may link to websites operated by third parties. However, even if the third party is affiliated with InVietCore, InVietCore. has no control over these linked websites, all of which have separate privacy and data collection practices, independent of InVietCore. These linked websites are only for your convenience and therefore you access them at your own risk. Nonetheless, InVietCore seeks to protect the integrity of its web website and the links placed upon it and therefore requests any feedback on not only its own website, but for websites, it links to as well (including if a specific link does not work).


By visiting Gothika, you agree that the laws of Vietnam, without regard to principles of conflict of laws, will govern these Conditions of Use and any dispute of any sort that might arise between you and Gothika, InVietCore, or its affiliates.


Any dispute relating in any way to your visit to Gothika or to products you purchase through Gothika shall be submitted to confidential arbitration in Da Nang, VN. except that, to the extent you have in any manner violated or threatened to violate Gothika / or the InVietCore. intellectual property rights, Gothika and or InVietCore and may seek injunctive or other appropriate relief in any state or federal court in Vietnam, and you consent to exclusive jurisdiction and venue in such courts.


Online vision tests are provided by our third-party partner Visibly. When you order an online vision test we will share your information with Visibly for the sole sake of processing your vision test. Visibly will share the results back with us for the purpose of prescription verification to purchase contact lenses. A link to your current prescription is in your My Account section of the website. We do not store your prescription on our network. By ordering a vision test you agree that you understand this and consent to these terms.

Visibly Digital Acuity Product is manufactured and distributed by Visibly, Inc. and operates under the Enforcement Policy for Remote Ophthalmic Assessment and Monitoring Devices during the CoronaVirus Disease (COVID-19) Public Health Emergency issued by the FDA in April 2020. This product has not been approved by the FDA. The data and recommendations made by the Visibly Digital Acuity Product are adjunctive (supporting) recommendations that will be used by an Eye Care Provider, along with your medical history and profile, prior corrective eyewear prescriptions, and subjective data provided about your vision. It is the responsibility of the patient to provide accurate information through the process as all of this information will be relied upon as accurate by the reviewing Eye Care Provider.


Contact Us:

Lien Chieu
Da Nang, VN 550000

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