How harmful is blue light?

How harmful is blue light?

Blue light exposure from screens is small compared to the amount of exposure from the sun. However, there is concern about long-term effects of screen exposure from digital devices. This is especially true when it comes to too much screen time and screens too close to the eyes. According to the Vision Council, 80% of American adults use digital devices more than two hours per day. Nearly 67% use two or more devices at the same time. Fifty-nine percent have symptoms of digital eye strain. Since our eyes are not good at blocking blue light, nearly all visible blue light...

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How to prepare for your eye tests

1, Think of the symptoms you are having, your concerns and your chief complaint 2, Come along with your last prescription.  3, Bring also your eyeglasses and contact lenses if you still have them.  4, Obtain  your family eye and general medical bistory. 5, Put on your sunglasses.  6, Drink water and stsy hydrated.  7, Avoid straining your eyes.  8, Do not insert your contact lenses in your eyes while coming for the eye test.

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IMPORTANT HEALTH NUMBERS IN OUR LIVES

IMPORTANT MEDICAL NUMBERS IN THE LIFE OF EVERY HUMAN BEING* Blood pressure: 120 / 80 Pulse: 70 – 100 Temperature: 36.8 – 37 Respiration: 12-16 Hemoglobin: Males (13.50-18)Females ( 11.50 – 16 ) Cholesterol: 130 – 200 Potassium: 3.50 – 5 Sodium: 135 – 145 Triglycerides: 220 The amount of blood in the body:Pcv 30-40% Sugar: for Children (70-130)Adults: 70 – 115 Iron: 8-15 mg White blood cells: 4000 – 11000 Platelets: 150,000 – 400,000 Red blood cells: 4.50 – 6 million.. Calcium: 8.6 – 10.3 mg/dL Vitamin D3: 20 – 50 ng/ml (nanograms per milliliter) Vitamin B12: 200 –...

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Sickle Cell Retinopathy

Sickle cell retinopathy is an ocular manifestation of the spectrum of sickle cell disease, an inherited group of hemoglobinopathies with numerous systemic and ocular presentations. Hemoglobin is an iron containing protein in red blood cells that transports oxygen. It consists of two alpha polypeptide chains, each of which pairs with a beta, gamma or delta chain. The predominant hemoglobin molecule in mature circulation is Hemoglobin A (HbA), which consists of two alpha and two beta subunits. Hemoglobin F consists of two alpha and two gamma chains, and is the predominant hemoglobin until 6 weeks of age. Hemoglobin A2 consists of...

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Early signs of eye disease can be detected in the eyes

Early Signs of Heart Diseases Appear in the Eyes According to experts, Eye doctors may be able to detect signs of heart disease during a comprehensive eye exam. A new study finds that people with heart disease tend to have retinas marked by evidence of eye stroke. Eye strokes happen when the eye is deprived of blood flow and oxygen, causing cells to die. This creates a mark, called a retinal ischemic perivascular lesion. These marks can be spotted when eye doctors run optical coherence tomography, or OCT is order to take a closer look at the retina. OCT scans...

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Causes of Blindness

Causes of Blindness

Globally, the leading causes of vision impairment are: uncorrected refractive errors cataract age-related macular degeneration glaucoma diabetic retinopathy corneal opacity trachoma There is substantial variation in the causes between and within countries according to the availability of eye care services, their affordability, and the eye care literacy of the population. For example, the proportion of vision impairment attributable to cataract is higher in low- and middle-income countries than high-income countries. In high income countries, diseases such as glaucoma and age-related macular degeneration are more common. Among children, the causes of vision impairment vary considerably across countries. For example, in low-income...

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Eye/Optical Clinic for Abulegba residents

The eye clinic near Abulegba that offers eye care and optical services is EYEUPDATE EYE CLINIC & OPTICAL SERVICES, located at 01, Ajuwon bus stop, Akute- Ajuwon road. From Abule Egba bus stop, it is one drop. At Abule Egba bus stop, enter Keke maruwa to Ajuwon and stop at Ajuwon bus stop (the last bus stop at Ajuwon). You will be looking at the eye clinic. Eyeupdate eye clinic & optical Supplies offers comprehensive eye and vision care services like eye tests; occupational vision and safety, management of eye conditions, glaucoma testing, refraction, visual field analysis and charting, dispensing...

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Buy freshlook contact lenses at N2000/pair with 120ml solution, storage case and picker within in Ajuwon Giwa Okearo Alagbole Akute

Buy freshlook contact lenses at N2000/pair with 120ml solution, storage case and picker within in Ajuwon Giwa Okearo Alagbole Akute

Buy Freshlook coloured contact lenses @ N2000/pair with 120ml solution and storage case and picker. – Available quantity: 10, 000 pairs – available colours: All freshlook colours…including all new unique colours – Expiry Date: January 2024 – Made in USA – Supply ability: 50, 000 pairs/ month – Delivery coverage: Nigeria and West Africa – Free pre-contact lens fitting examination and tutorial – To order between 1 pair and 2000 pairs, call +2347030000001 – To order above 2000 pairs, call: +19093663551

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What Part of the Brain Controls Emotions?

SUBSCRIBE What Part of the Brain Controls Emotions? Medically reviewed by Sachin S. Kapur, M.D., M.S. — Written by Jill Seladi-Schulman, Ph.D. — Updated on July 23, 2018 The limbic system Fear Anger Happiness Love Bottom line Overview The brain is a very complex organ. It controls and coordinates everything from the movement of your fingers to your heart rate. The brain also plays a crucial role in how you control and process your emotions. Experts still have a lot of questions about the brain’s role in a range of emotions, but they’ve pinpointed the origins of some common ones, including fear, anger, happiness, and love. Read on...

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Two Patients With Macular Degeneration Get Artificial Retinas

LYON, France — A 72-year-old woman with dry age-related macular degeneration (AMD) was the first patient to receive an artificial retina implant as part of the multicenter PRIMAvera clinical trial, which is looking at the safety and efficacy of the PRIMA system. “Her vision was severely impaired by this condition. We used the ETDRS chart to assess her visual acuity, as this is the current method in ophthalmology. She was able to read only nine letters,” said Laurent Kodjikian, MD, PhD, from Hôpital de la Croix-Rousse in Lyon, who is a former president of the French Society of Ophthalmology. To put that in perspective, a person with normal vision...

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