Vitreous Retina Macula Consultants of New York
Vitreous Retina Macula Consultants of New York
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Physiology of the human eye

Questions
 
True
False
1

Light refraction is the key to how the eye creates vision. It starts by light entering the eye through the cornea, which acts as a clear, protective outer covering of the eye.

Explanation:

Light refraction is the key to how the eye creates vision. Light enters the eye through the cornea, which acts as a clear, protective outer covering. The cornea bends or ‘refracts’ the light towards the pupil, which is the black circular opening in the center of the iris.

2

The iris is the colored part of the eye, which adjusts the size of the pupil to regulate the amount of light entering the eye. In bright light, they iris gets smaller, in darkness the iris gets larger.

Explanation:

The iris is the colored part of the eye, which adjusts the size of the pupil to regulate the amount of light entering the eye. In bright conditions, it contracts to reduce the pupil size which restricts too much light from entering the eye, and in dim conditions, it dilates to increase the pupil size which allows more light in, giving you better vision when it’s dark out.

3

The lens is a flexible disc shaped structure that allows the eye to focus the light directly onto the retina. Small muscles attached to the lens are what changes the shape of the lens.

Explanation:

Beyond the pupil lies the lens which is a flexible, transparent structure that further refracts light to focus it precisely onto the retina. Muscles attached to the lens can change its shape

4

The cornea and the lens form inverted images onto the retina. The brain automatically inverts the image so we see things correctly.

Explanation:

Light focused by the cornea and lens forms an inverted image on the retina. Once the brain receives the image, it automatically inverts it again so that we see things correctly.

5

The cornea has an inner surface that contain photoreceptors called rods and cones that convert light into electrical signals.

Explanation:

The retina lines the inner surface at the back of the eye and contains millions of photoreceptor cells called rods and cones that convert light into electrical signals.

6

The rods and cones in the retina change shape when they are exposed to light. This change causes a cascade of chemical and electrical signals, which generates nerve impulses to travel to the brain.

Explanation:

Rods and cones contain light-sensitive pigments (like rhodopsin in rods and opsins in cones) that change shape when exposed to light. This change triggers a cascade of chemical and electrical signals, ultimately generating nerve impulses that travel to the brain for interpretation.

7

Binocular vision is a function of how the brain itself manipulates the images coming in.

Explanation:

how the human eyes are placed in the skull allows for binocular vision. This is where each eye sees a slightly different image. This disparity helps with depth perception and spatial awareness.

The ophthalmologists and retina specialists at Vitreous Retina Macula Consultants of New York are internationally known leaders in diagnosing and treating retinal diseases.  

VRMNY retina doctors have trained and taught at some of the world's finest and most respected academic institutions. The physicians who comprise the best retina specialists in New York are experts in vitrectomy surgery and hold academic appointments at Lenox Hill Hospital, New York University, and the New York Eye and Ear Infirmary.

Our ophthalmologists in New York City specialize in treating all medical and surgical retinal conditions, emphasizing macular degeneration treatment and diabetic retinopathy, the two leading causes of retinal vision loss.

With state-of-the-art New York ophthalmology centers in Manhattan, VRMNY is the largest retina vitreous center in the New York Metropolitan area.

Our New York ophthalmologists and eye doctors publish more in the foremost peer-reviewed journals than any other private or academic group in the United States. The practice devotes its time and resources to research and developing new diagnostic and therapeutic strategies.  Many current concepts in retinal disease and treatment recognized worldwide were invented at VRMNY.

The attention, empathetic concern, and careful approach of the eye care specialists and their support team of retina surgeons explain the success of VRMNY.  The over 60 member staff provides a full range of educational, medical, and surgical services.  With an emphasis on patient education, the staff delivers compassionate and empowering care.

For more information about the Vitreous Retina Macula Consultants of New York, our doctors, or to schedule a consultation with Dr. Lawrence A. Yannuzzi, MD, please contact our ophthalmology practice by number: (212) 861-9797.

Working Hours:

Monday-Friday: 8am - 5pm

Payment: cash, check, credit cards.

Vitreous Retina Macula Consultants of New York

950 3rd Ave 3rd floor,

New York, NY 10022

Office Tel # (212) 861-9797

Fax: (212) 628-0698

https://www.vrmny.com/

https://www.vrmny.com/locations/manhattan/

Location on the map:

https://goo.gl/maps/v9rE1BWBd6tsFgPaA

https://plus.codes/87G8Q26J+3R New York

Nearby Locations:

Lenox Hill | Upper East Side | Midtown East | Upper West Side

10021 | 10022 | 10023

Our social links:

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Find us at:

https://www.md.com/doctor/lawrence-yannuzzi-md

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