Progressive addition lenses are what most people need when they need bifocals. They have areas specifically for distance, intermediate, and near like trifocals except the areas are blended together and the reading power gets more powerfully progressively as you go from the top to bottom.
Bifocals are used for people who need correction for distance as well as near tasks. The top portion of the lens has the distance prescription and the bottom power is set for reading and close work.
Trifocals are very similar to bifocals except they have a second line in the lens. The area in the middle is used for intermediate or arm's length distance. It allows you to see well in the distance, at the computer distance, and up close.
Glasses are used to correct the different types of refractive error: myopia(near-sightedness), hyperopia(far-sightedness), astigmatism, and presbyopia. There are many different options for frame material, lenses, and lens coatings.
Here at the office of Dr. Leah McConnaughey, Dr. Khristopher Ballard, and Dr. Laura Andre, the quality of ophthalmic products is one of our highest priorities. Our goal is to offer the highest quality glasses in Hillsboro. We carry a wide selection of over 500 designer eyeglasses frames including Oakley, Banana Republic, and many more. We use the highest quality lenses with Transitions and Crizal anti-glare coatings.
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