Eye Moisture Retention and Rehabilitation Goggles: Cost effective assistive device for prevention and treatment of dry eye syndrome.

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It creates a comfortable humid environment in the enclosed goggle-like chamber without hindering the vision of the patient.

I am OPEN SOURCING all the files of this project for others under the "Files" section (uploaded as sketchup files .skp). If you like the project, you are welcome to 3D print it. I would love to hear feedback on the design. Looking forward to collaborations with medical experts and product designers.

Who wants cooling glasses!




The project has been developed to second prototype. I am applying to this contest to raise funds for building the third prototype. I have already bought minimum equipment to build a 'put-together' prototype but I request people to like and vote for this project so that this idea gets selected!

I am applying to this competition to develop the Product version of the prototype with sophisticated design.

The two iterations have been done so far, both consisting of different humidifying mechanisms.

Statement of Motivation: There was a need to make an ultra cheap therapy device which is affordable by all dry eye patients irrespective of their economic status. The proposed model aims to create an en closed humid environment around the eye for moisture enhancement and retention.

This project is specifically being developed for people with average to severe dry eye condition or Steven Johnson's Syndrome (SJS) as a preventive and therapeutic device.

sketch 4.skp

SSEYO Koan Play File - 1.35 MB - 09/03/2016 at 06:48



SSEYO Koan Play File - 1.15 MB - 08/30/2016 at 20:41



skb - 1.18 MB - 08/30/2016 at 20:41



SSEYO Koan Play File - 1.19 MB - 08/30/2016 at 20:41



SSEYO Koan Play File - 1.30 MB - 08/30/2016 at 20:41


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  • Making of the IrIS - CAD

    spandana.cheruvu08/30/2016 at 17:05 0 comments

    The wick container is suspended with a spring in the latch container. The bottommost chamber contains water followed by the latch chamber and wick container. The wick container with openings on the sides protrudes into the tightly sealed water chamber.

    The wick container is suspended in the latch container using a spring. While latching to the piezo cap, spring is compressed and the wings turn and fit into the stopper slots.

    Attaching a few pictures below. The CAD files are open sourced for others, would soon register for the Creative commons if this design works out. So no copyright violations meanwhile, okay!!!





    bottle and cap.png

  • Design Dialogue 2 - Component iterations

    spandana.cheruvu08/30/2016 at 16:57 0 comments

    I have experimented with all shapes for the mist producing chamber. The piezo is the main component with diameter of 1.5cm. The height of the element is ~1mm.

    I thought of two ideas for the chamber. The first is like a standard room humidifier design with a cylindrical spring loaded latch.

    The second design in a strap on piezo cap on horizontally oriented wick container. The strap are press fit on the cylindrical surface.

    Among the two pics first is horizontal orientation while the later is vertical.

  • Design Dialogue 1

    spandana.cheruvu08/30/2016 at 16:01 0 comments

    I have been working on this for the past week to make CAD models for 3D printed prototype. This will enable us to design from a product perspective. This time, we are looking at the design of the parts and mechanisms in the eye gear. Design Points:

    • Internal Mist formation control - Source on top of the nose.(test corner of the eye design as well
    • Can we make wick a carrier of water?
    • Hinges of the eye frame at the very end of the frame.
    • Light Design

    :- Attaching example pictures from notes

  • Prototype 3

    spandana.cheruvu06/19/2016 at 20:46 0 comments

    STEP- 1: This time, I am going to test the humidifier kept in the room nearby to the patient. The humidifier is a mini USB powered device which has electronic transducer.

    The example humidifier is from amazon -

    You can buy other such cheap electronic humidifiers easily available online.

    Step- 2: Testing the driver circuit - These humidifiers have USB power driver circuits that can be easily hacked into. [More updates will come soon as I start ordering and building the prototype with another humidifier]

    I have ordered two filters and three ultrasonic transducers as well to build the 'jugaad' prototype .

    Step 3 : Designing the Eye gear.

    Step 4 : Integrating the humidifier with the eye gear

  • Prototype Version 2

    spandana.cheruvu05/16/2016 at 21:56 0 comments

    This model has an ultrasonic atomizer from a portable mini humidifier. This model is connected to set of small no of circuits which absorb water from wick and atomize into mist.

    This can be used to maintain humidity in the eye chamber. However, some design constraints were encountered.

    1. The mist after some time condenses and forms water droplets. This leads to unchannelled water accumulation

    2. The foam does not give a complete sense of comfortability. Need to experiment other low cost padding materials

    3. The accompanying circuitry and battery must be able to fit in the pocket ing electrical wire travels from pocket module to the glasses. Here the atmoizer is activated via electrical signals

    4. The eyegear must look socially acceptable

    5. Power constraints - Battery run/ USB run device

  • Prototype Version 1

    spandana.cheruvu05/16/2016 at 21:37 0 comments

    We used Goggles attached to foam and mist forming mechanism by small pager motors. The water was stored in the two tanks on both sides of the goggles.

    It consumed power of 1 AA battery.

    Simultaneous alternatives explored:

    1. Pressurized air forced into water chamber to cause turbulence and produce micro droplets.(like a nebulizer) We can try using very small air pumps used in aquariums that can be directed to water reservoir with force. ( 2.5 dollars.
    2. Ultrasonic vibrators: Very small vibrating elements coupled to a membrane which acts as a wick to hold water droplets which get dispersed due to vibrating motion. (Testing with Speakers)

  • Final Deliverable

    spandana.cheruvu05/16/2016 at 20:53 0 comments

    Project Goals/Objectives --- e.g., what is the final deliverable, and what characteristics must it have in order to effectively address the motivating challenge?

    The final product is an enclosed chamber for moisture retention and enhancement around the eyes without any hinderance to the vision for dry eye patients. It must be very low cost, easily available, softly wearable and also be provided with instructions for making a DIy model.

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Enjoy this project?



Carl Fisher wrote 11/01/2016 at 02:08 point

I've had multiple surgeries (PRK and PTK) what they don't tell you is that it destroys your eye's ability to tear when needed. Sleeping at night is especially bad and humidifiers aren't able to do the job. Waking up every hour to put drops in your eyes never allows for a good nights sleep. 

This project looks like it has great potential as an idea but would love to see an end product that is light and comfortable to wear while sleeping.

Keep up the great work. Will be following this project.

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zakqwy wrote 08/31/2016 at 13:00 point

great project. Definitely go after LASIK patients too, dry eyes is pretty much guaranteed for 3-6 months following surgery.

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Karsten Fuhst wrote 05/18/2016 at 14:55 point

weye not?

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davedarko wrote 05/16/2016 at 09:51 point

that is such a unique eyedea - eye love it. 

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