Conjunctivitis Conjunctivitis involves the inflammation or infection of the conjunctiva, the thin, clear tissue covering the white part of the eye and the inside of the eyelids. Symptoms include redness, swelling, itching and discharge. Conjunctivitis can be caused by bacteria, viruses, allergens (in which case it’s also known as pink eye), or irritants, Bacteria conjunctivitis …
Category Archives: Glossary
Computer glasses
Computer glasses Computer glasses – Specialised eyeglasses that optimise your vision when working on computers or other digital screens. Their viewing zone is at the correct distance for computer work, thereby reducing digital eye strain and discomfort at intermediate distances. They also tend to come with blue light-blocking coating and an anti-reflective coating that reduces …
Anti-reflective lenses
Anti-reflective lenses Anti-reflective lenses – Lenses treated with a multi-layer coating that reduces reflections from the lens surface and reflects artificial light. This enhances clarity, minimises glare from screens, headlights and bright lights, and allows others to see your eyes clearly. These lenses are ideal for driving at night, working on computers, or any situation …
Anti-fog lenses
Anti-fog lenses Anti-fog lenses – Specially coated lenses that prevent the buildup of fog caused by sudden temperature changes or humidity. These lenses are particularly useful for people who move between different environments frequently, like going from cold outdoors into a warm room, ensuring your vision remains unobstructed.
Add power glasses
Add power glasses Add power glasses – Glasses designed with additional magnification, primarily used to assist with up-close vision tasks like reading. Commonly found in bifocal and varifocal lenses, they help those with presbyopia, a condition where the eyes gradually lose the ability to focus on close objects due to aging. In these cases, the …
Cataracts
Cataracts Cataracts – A condition where the eye’s natural lens becomes cloudy, leading to blurred or dim vision. Cataracts often develop with age but can also result from injury, medication, or other conditions such as congenital cataracts, which individuals are born with. Treatment typically involves surgical removal of the cloudy lens and replacement with an …
Blue light lenses
Blue light lenses Blue light lenses – Lenses that are specifically designed to filter out a portion of high-energy visible (HEV) blue light emitted from digital screens and artificial lighting. Prolonged exposure to blue light can contribute to digital eye strain and may disrupt sleep patterns. These lenses are particularly useful for those who spend …
Bifocal lenses
Bifocal lenses Bifocal lenses – Eyeglass lenses that contain two distinct optical powers in one lens. The upper part of the lens typically corrects distance vision, while the lower part is designed for up-close vision, such as reading. These lenses are commonly prescribed for people with presbyopia who also have a refractive error like myopia …
Blepharitis
Blepharitis Blepharitis – A chronic condition characterised by inflammation of the eyelids, usually affecting the area where the eyelashes grow. It can cause symptoms like itching, redness and crusty flakes. Although uncomfortable, blepharitis isn’t contagious and is usually manageable with good eyelid hygiene and, in some cases, medicated treatments.
Astigmatism
Astigmatism Astigmatism – A common vision condition that consists in a refractive error due to the cornea (the clear front surface of the eye), lens, or both being too curved. This causes light to focus unevenly on the retina, resulting in blurred or distorted vision at all distances. Corrective lenses or minimally-invasive surgery can typically …