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Doctor insights on: Why Are Blue Eyed People Allergic To The Sun

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Why are blue eyes more sensitive to sunlight?

Why are blue eyes more sensitive to sunlight?

Yes: The iris is a barrier with an expandable hole in the middle through which light passes to the retina. Its function depends on blocking all light that doesn't enter the hole. All iris pigments leak a little light, called "straylight, " causing glare and mildly decreasing visual acuity. Blue pigment happens to leak the most light. Of more consequence is blue-eyed individual's skin photosensitivity. ...Read more

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Are people with blue eyes more sensitive to light?

Are people with blue eyes more sensitive to light?

Yes in my experience: I don't have any scientific data to support me, but my blue eyed patients seem to report more sensitivity to light than those patients with brown eyes. ...Read more

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For what reason are blue eyed people more likely to face early blindness?

For what reason are blue eyed people more likely to face early blindness?

Not exactly true: This is a bit of an exaggeration. Blue eye females are more prone to developing age-related macular degeneration. And this occurs in patients 50 and older. ...Read more

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I was wondering are blue eyed people more sensitive to light?

I was wondering are blue eyed people more sensitive to light?

Yes, often: Blue eyed people often have less pigment in the retina in the back of the eye. They are often more sensitive to light than people with darker eyes. Fun fact: blue eyes also dilate more quickly after dilating drops in the ophthalmologists office. ...Read more

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I'm wondering why are blue eyed people more likely to face early blindness?

I'm wondering why are blue eyed people more likely to face early blindness?

They are not: Although macular degeneration, the most common cause of blindness in the elderly, is more common in blue-eyed individuals, being blue eyed is not associated with blindness per se. ...Read more

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Are blue eyes or brown eyes more sensitive to sunlight?

Are blue eyes or brown eyes more sensitive to sunlight?

Either: Patients with both blue and brown eyes can be sensitive to light, although, in general, people with lighter eyes tend to be a bit more light sensitive. ...Read more

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Is it true that people with blue eyes are more sensative sunlight?

Is it true that people with blue eyes are more sensative sunlight?

Generally true: Blue eyes let a little more light in and sensitivity is more possible. Brown eyes block light better. Another issue is the pupil size which can vary independently of the iris color. ...Read more

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Are blue eyes more sensitive to light?

Are blue eyes more sensitive to light?

Yes: Blue eyes have less pigment in the iris and therefore transmit light to the retina easier, increasing light exposure and sensitivity. Not all blue-eyed people are abnormally sensitive to light. Adaptation can happen, as well as the wearing of sun glasses for protection and comfort. ...Read more

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Supposing ocular albinism is the lack of pigment in one's eyes, then why do some brown eyed people have it?

Supposing ocular albinism is the lack of pigment in one's eyes, then why do some brown eyed people have it?

Ocular albinism: There are many degrees of ocular albinism and variation of same. See you local ophthalmologist for best answer ...Read more

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If albinos have blonde hair and blue eyes. So how can we tell if they are albinos?

If albinos have blonde hair and blue eyes. So how can we tell if they are albinos?

Albinos: Albinos can have red, blonde or white hair and the eyes are blue to grey (not pink). Most have poor vision and many are blind. I found the best way to tell is to ask them, although if you have seen many, it is pretty obvious. ...Read more

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What sun protection factor lotion should black people and other very dark-skinned people use?

What sun protection factor lotion should black people and other very dark-skinned people use?

SPF: There's a perception that people with darker skin don't have to worry about skin cancer, but that's not true. Minorities do get skin cancer, and because of this false perception most cases aren't diagnosed until they are more advanced and difficult to treat. Use an spf of 30. ...Read more

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If someone has pollen allergies and they are exposed to pollen, what happens to them, physiologically speaking?

If someone has pollen allergies and they are exposed to pollen, what happens to them, physiologically speaking?

?: Physiologically there shouldn't be a problem, but pathologically that would be an allergic (hypersensitivity) disorder with the resultant inflammatory reaction affecting either upper or lower respiratory tracts or both, or the eyes and skin, producing the classic symptoms of asthma, hay fever, atopic dermatitis or conjunctivitis, an allergist would help, check aaaai.org or acaai.org for an allergist ...Read more

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What flowers are most people allergic to when they pollinate?

What flowers are most people allergic to when they pollinate?

Pollen allergy: There is a wide variety of different pollens people are allergic to and they vary according to where you live. Different pollens come out at different times of year. In the northeast grasses and trees pollinate in the spring and weeds pollinate in the fall. Most of the allergenic pollens come from plants with fairly inconspicuous flowers. ...Read more