<p><b><p><br>Valuu Prism Glasses is great for using a laptop or reading a book in bed while lying flat. </b> <br>Changing the sight perspectives of wearer, breaking the rules of watching things, allowing users watch the images in front of them naturally, conveniently, comfortably and distinctly in a lying position <br>Fit for men and women <br>Extremely beneficial to people's physical and mental health <br>Amazing glasses can effectively prevent and lessen the fatigue and discomfort of the neck, the lumbar vertebra and the shoulder portion. <p><b><p><br>Are you stuck with the fact that the reclining in bed at night to watch TV with intolerably uncomfortable? Have you ever tried to stay in bed not with lots of pillows' helps? In this case, these glasses are right for you. The built-in mirror ensure that the field of view is rotated within 90 ° around the horizontal axis. So keep flat in the healthiest way, you can still use these glasses for enjoying entertainments. The convenient anti-reflective coating and clear representation of the image help to relieve neck cramps and eye strain. The glasses also can be used even you are wearing glasses for the myopia！</b><br/><b><p><br>Specification: </b><br/><br>-Size:Large(universal and for most of the myopia glasses)<br/><br>-Weight:150g<br/><br>-Frame Material:Plastic<br/><br>-Lens Material:Resin<br/><br>-Style: Horizontal lazy glasses<br/><br>-Package Included: 1*Horizontal lazy glasses <br/><br/><b><p><br>note: </b><br/><br/><br>-1)At the beginning ,you may feel giddy when wear it, this is normal phenomenon. Because this glasses is designed according to the standard interpupillary distance, if feel dizzy,it is your interpupillary distance is smaller or larger, it is suggested that try to wear then will adapt it;<br/><br/><br>-2)if the subtitles or TV sreen is too small,it will appear unclear;<br/><br/><br>-3) wear glasses each time for 30-60 minutes,then to rest for 15 minutes.it’s better for your eyes. <br/></p>