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Melanin
| Глоссарий терминов и сокращений по оптическим линзам |
- A pigment that gives hair, skin and eyes its color. nature uses melanin to protect the tissue of the eye from sunlight damage. melanin absorbs the color in preportion to their potential damage. it is lost with aging.
- A dark pigment which gives colour to skin and hair, also found in the choroid of the eye and in some tumours
- The pigment that gives hair and skin their color. hyperpigmentation and dark spots are a result of patches of excess melanin; it can be caused by age, sun damage, and more.
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Melanina, испанский
Меланин, русский
- Темный пигмент, содержащийся в коже и волосах.
- Пигмент, определяющий оттенок кожи.
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Hyperpigmentation, английский
- This is essentially another name for what we call �uneven skin tone.� it refers to an apparent darkening of skin tone triggered by such things as sun exposure (use your spf, people!), a wound, an illness, hormonal changes, or even certain prescription medications. hyperpigmentation rears its ugly head in a variety of ways. it might make itself known through a uniform tan, an isolated acne scar, or melasma (which are uneven patches of discoloration).
- Resultant of sun exposure, inflammation, or for medical reasons, this is when large patches of skin experience discoloration from a sudden increase in melanin.
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Mid-range vision, английский
Usually from 30 inches to 50 inches; arms-length range.
Meibomian glands, английский
A variety of glands located in the eyelid. they secrete an oily substance to keep the eye lubricated and the tears from overflowing the lid margins.
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