Pinhole glasses are made of an opaque substance such as metal or plastic and not made of glass. The user looks through any of the many small holes in the material. These holes have the effect of reducing the width of the bundle of diverging rays coming from each point on the viewed object. (more…)
Eye exams are very important for good eye health. It is important to have an eye exam if you experience a disruption of vision, need glasses, or need contact lenses. Quality glasses or contact lenses can be expensive. There are a number of reputable companies that offers coupons and other deals on various eye products (i.e. contact lenses, solution, and sun glasses) and eye exams. You can still get the quality eyewear you need on a budget, without spending more money than you are able to spend. (more…)
Lasik surgery is a safe and effective procedure of vision correction. The surgery does not involve much pain and no post surgery requirements such as dressing and stitches. Patients do not require using eyewear after having a Lasik surgery. (more…)
Laser pointers are to certain extent widely used for entertainment or work. As a convenient device, laser pointer can be used by businessmen to point out information on a flow chart or graph during a presentation. This simple device can help them a lot. On the other hand, laser pointers are used for entertainment. For instance, a cat would chase a laser point in circles on the floor. These are absolutely advantages of laser pointers. (more…)
Even with improved contact lens materials, many contacts wearers are still suffering from dry eyes. While dry eye is frequently linked to contact lenses, there are actually many reasons behind this annoying eye condition. This article described some of the possibly underlying causes of dry eye, regardless of an eyeglass wearer or contacts wearer. (more…)
It is widely accepted that eyesight is affected by factors such as stress, diet and lack of sleep. Many experts have suggested that some eye exercises can help prevent damage to the eyes. Another problem is that whether these exercises can undo damage to the eyes. Most individuals know that broken bones can be rejoined through surgeries. Based on this fact, the world renowned ophthalmologist William H. Bates thought that eyesight can also be improved and he had developed some simple exercises of eye relaxation for visual improvement 100 years ago. (more…)
