Author Archives: charlotte

Diopter Diopter (D) – A unit of measurement used to measure the power of a lens, indicating its ability to bend light. Diopters is the measurement used to record nearsightedness, farsightedness and astigmatism. For instance, a lens with a -2.00 diopter is used to correct myopia, meaning it helps focus distant objects more clearly.

Corneal ulcer Corneal ulcer – A serious eye condition that affects the cornea, usually due to infection from bacteria, viruses, fungi, or parasites. Symptoms include severe pain, redness, discharge and blurred vision. Corneal ulcers require prompt medical treatment to prevent permanent vision loss.

Corneal abrasion Corneal abrasion – A scratch or injury to the cornea, the eye’s clear, protective layer. Symptoms include pain, redness, watery eyes or increased tearing and sensitivity to light. While some corneal abrasions heal on their own, more often they need additional eyedrops to speed up the cell regeneration. They can also sometimes lead …

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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 …

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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 …

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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 …

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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 …

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