---
product_id: 383400968
title: "Teravan Somnus I Blue and Green Wavelength Blocking OTG Fitover Glasses"
brand: "teravan"
price: "₨1303"
currency: SCR
in_stock: true
reviews_count: 13
category: "Teravan"
url: https://www.desertcart.sc/products/383400968-teravan-somnus-i-blue-and-green-wavelength-blocking-otg-fitover
store_origin: SC
region: Seychelles
---

# OTG fitover design for glasses wearers 25%+ light transmittance for clear vision Blocks ~100% blue & green light Teravan Somnus I Blue and Green Wavelength Blocking OTG Fitover Glasses

**Brand:** teravan
**Price:** ₨1303
**Availability:** ✅ In Stock

## Summary

> 😴 Sleep smarter, see clearer — block the buzz of blue & green light!

## Quick Answers

- **What is this?** Teravan Somnus I Blue and Green Wavelength Blocking OTG Fitover Glasses by teravan
- **How much does it cost?** ₨1303 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.sc](https://www.desertcart.sc/products/383400968-teravan-somnus-i-blue-and-green-wavelength-blocking-otg-fitover)

## Best For

- teravan enthusiasts

## Why This Product

- Trusted teravan brand quality
- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Key Features

- • **Seamless Over-Glasses Fit:** Designed to comfortably fit over regular glasses with extra width and wrap-around coverage.
- • **Crystal Clear Night Vision:** Unique lens tech allows 25%+ light transmittance, so you see clearly without harsh tinting.
- • **Durable & Scratch-Resistant:** Premium nylon lenses and flexible polycarbonate frame built for long-term daily use.
- • **Ultimate Blue & Green Light Defense:** Blocks all wavelengths below 550 nm to protect your melatonin and sleep cycle.
- • **Reduce Digital Eye Strain & Headaches:** Perfect for late-night screen time on phones, laptops, and TVs to keep your eyes fresh.

## Overview

Teravan Somnus I OTG Fitover Glasses block nearly 100% of blue and green wavelengths below 550 nm, scientifically proven to reduce eyestrain and improve sleep quality. Featuring premium nylon lenses with over 25% light transmittance, these glasses offer superior clarity compared to typical blue light blockers. Designed for comfort and durability, they fit over regular glasses with wrap-around coverage and scratch-resistant polycarbonate frames, making them the ideal accessory for professionals seeking healthier screen habits and better nighttime rest.

## Description

desertcart.com: Teravan Somnus I Blue and Green Wavelength Blocking OTG Fitover Glasses | Premium Nylon Lenses, Strong Polycarbonate Frame, Reduce Eyestrain and Improve Sleep Quality : Health & Household

Review: Excellent shades for good sleep hygiene - These are perfect as they block both blue and green light that suppress melatonin and disrupt sleep. Just what I needed to watch late night tv.
Review: unlike many others which falsely claim to block most blue light, these do the job well. - Ordered in evening, arrived early the following morning, cudos to desertcart shipping service. These were ordered after I returned the earlier ones I ordered. I could clearly see blue color through the earlier amber tinted glasses, so the claim of 99% blocking was completely bogus. Glasses that block blue light will render all otherwise blue objects various shades of gray or black, no sensation of blue will occur to the person wearing the glasses. These glasses block blues and greens completely as stated. If you want to block light that interferes with sleep, these are an effective way to do that. Their transparency to other wavelengths of light is very high, so even though they block the blues and greens, they are not too dark to allow comfortable functioning in the evening. These glasses work, and are highly recommended.

## Features

- Teravan Somnus I glasses block close to 100% of both blue and green wavelengths, improving your sleep patterns and reducing eyestrain. Teravan Somnus I glasses block all wavelengths below 550 nm, which includes blue, green and violet.
- Unique lens technology provides over 25% light transmittance for better visibility, making these glasses more effective than regular blue light blocking glasses.
- Conveniently reduce your blue light exposure from devices like computers, phones, laptops, and TVs at night, preventing headaches, eyestrain and eye fatigue.
- Comfortably designed for both men and women, these glasses can be worn over regular-sized glasses or on their own, providing enhanced eye coverage. It has extra width for increased comfort.
- Wrap around fit for coverage from top, bottom, and sidelight blocking. Even without a tight fit the lenses will block a substantial amount of the target wavelengths from reaching the eyes
- Made with quality nylon lenses and a flexible polycarbonate frame, these glasses offer durability and comfort for long-term use. Naturally scratch resistant. Not for use when driving.

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B094FCT4MH |
| Age Range Description | Adult |
| Apparel Fabric Stretch | No Stretch |
| Apparel Fabric Weight Class | Lightweight |
| Best Sellers Rank | #356,772 in Health & Household ( See Top 100 in Health & Household ) #1,685 in Computer Blue Light Blocking Glasses |
| Brand | Teravan |
| Care instructions | Clean with a soft, dry cloth. Avoid using harsh chemicals or cleaning solutions. |
| Color | Black |
| Customer Reviews | 4.2 out of 5 stars 112 Reviews |
| Endpiece Style | straight |
| Fit Type | Over-the-Glasses |
| Fit to Size Sentiment | Positive |
| Frame Arm Texture | Matte |
| Frame Coverage | Full Frame |
| Frame Material Type | Polycarbonate |
| Import Designation | Imported |
| Item Shape | Rectangular |
| Item Weight | 132 g |
| Lens Coating Description | Scratch Resistant Coating |
| Lens Color | Blue, Green |
| Lens Material Type | Nylon |
| Lens Type | OTG Fitover |
| Lens Width | 6.3 centimeters |
| Manufacturer | Teravan |
| Material | Polycarbonate, Nylon |
| Number of Items | 1 |
| Origin | Imported |
| Other Special Features of the Product | Scratch Resistant |
| Pattern | Solid |
| Polarization Type | Non-Polarized |
| Product Care Instructions | Clean with a soft, dry cloth. Avoid using harsh chemicals or cleaning solutions. |
| Recommended Uses For Product | Improving Sleep Quality and Reducing Eyestrain |
| Style Name | Protection |
| Sunglasses Form | fit_over |
| Target Audience | Unisex-Adults |
| UPC | 628504223109 |
| Ultraviolet Light Protection | true |
| Unit Count | 1 Count |
| size | Adult |

## Images

![Teravan Somnus I Blue and Green Wavelength Blocking OTG Fitover Glasses - Image 1](https://m.media-amazon.com/images/I/41y9wG2ERLL.jpg)

## Customer Reviews

### ⭐⭐⭐⭐⭐ Excellent shades for good sleep hygiene
*by D***G on February 9, 2026*

These are perfect as they block both blue and green light that suppress melatonin and disrupt sleep. Just what I needed to watch late night tv.

### ⭐⭐⭐⭐⭐ unlike many others which falsely claim to block most blue light, these do the job well.
*by A***. on April 20, 2025*

Ordered in evening, arrived early the following morning, cudos to Amazon shipping service. These were ordered after I returned the earlier ones I ordered. I could clearly see blue color through the earlier amber tinted glasses, so the claim of 99% blocking was completely bogus. Glasses that block blue light will render all otherwise blue objects various shades of gray or black, no sensation of blue will occur to the person wearing the glasses. These glasses block blues and greens completely as stated. If you want to block light that interferes with sleep, these are an effective way to do that. Their transparency to other wavelengths of light is very high, so even though they block the blues and greens, they are not too dark to allow comfortable functioning in the evening. These glasses work, and are highly recommended.

### ⭐⭐⭐⭐ It is rare to block such a wide spectrum of sleep-disruptive light. A bit heavy though.
*by D***S on May 10, 2022*

It is rare and usually a lot pricier to block such a wide spectrum of sleep-disruptive light. So I found that impressive and bought two pairs. I also really like the shape of the fit-overs; they’re much more attractive than the abundant square ones. A few things to bear in mind: *The small lens built into the sides is not red but an extremely pale grey. This is suitable because the light that enters your eye frontally is what really matters. Generally side-glare, even if there is a lot of light, will not be sufficient to reflect into the eyes in a way that will disrupt hormones. The little grey windows allow a bit more light in for reading while still toning it down slightly to ensure you don’t get that reflection. *The glasses should be lighter weight and/or have a nice cushion. If you combine them with readers or prescription glasses, it’s going to get heavy after a while. Also, I feel like the weight loosened the hinge on my readers in the first night(!). Although glasses that only block blue light are of minimal effect for me, I do find myself rotating those ones in and out with these to give my nose a break, which is tremendous a shame. *Compared to some fit-overs their construction is not too overly wide and so is more suitable for a woman’s face. And even without my readers on, the design holds onto me far better than I anticipated. *Be sure that the glasses you wear underneath are clear without any computer-coating or light-blocking, or you may strain your eyes because of the dimness. * The biggest ongoing frustration with these glasses has to do with the lens material. It attracts grime and is nearly impossible to get completely clean, also the lenses readily pop out while cleaning. Both of these factors contrast unfavorably to my bon charge readers and to my regular readers, although I’d say that BluBlocker sunglasses also get very grimy and resist cleaning. *It was initially disconcerting that my blue light devices tended not to go neutral with these glasses on. Some looked as bright or brighter with the remaining light that came through as they did with glasses that just block blue light (Uvex Skyper or Swanwick). Other blue light devices looked purply-blue, whereas the blue light blockers left them greenish. I wondered if these lenses were merely dying everything red and not really blocking. But apart from the sellers reply to my question here on Amazon, I did several experiments: I have a blue led device that is quite bright and had it on in a closed cabinet in a closed room with no windows. Opening the cabinet multiple times with each pair of glasses on, it was clear that more total light was coming through with the glasses that block blue light only. Next I took a blue light detecting card and a blue light (such as come with some computer glasses to prove that they block some of the light), and I held the glasses right against the card with the light on top of the lens for ten seconds. The Uvex glasses left a purple mark briefly (indicating some light had gone through), but the Teravan did not. I also shone the blue light through each lens: It looked green and moderate on the Uvex and dim and orange on the Teravan. These experiments convinced me that the Teravan were in fact blocking more blue light, not less, and that the bluish and purplish lights are just a factor of what it looks like with less green and UV.

## Frequently Bought Together

- Teravan Somnus I Blue and Green Wavelength Blocking OTG Fitover Glasses, Premium Nylon Lenses, Strong Polycarbonate Frame - Reduce Eyestrain and Improve Sleep Quality
- SafetyBlue Sleep Savior Deluxe Lens Night Glasses - Blue & Green Light Blocking Glasses for Better Sleep

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*Product available on Desertcart Seychelles*
*Store origin: SC*
*Last updated: 2026-08-29*