Visual Sense Collection (page 2)

Close-up of an elderly womans eye (side view)
Eye. Close-up of an elderly womans eye, in side view. Wrinkles and loose skin are seen around and under the eye

Cornea. Light micrograph of a section through a cornea, the transparent region at the front of the eye. The outer surface of the cornea is a stratified epithelium (dark pink)

Computer graphic of a human eye (negative-image)

Retina, SEM
Retina. Coloured scanning electron micrograph (SEM) of a section through a freeze-fractured retina, showing the light-sensitive rods and cones and their associated neurones

Womans healthy brown eye
Eye. View of a womans healthy brown eye. The black pupil is surrounded by the brown iris. Around the iris the white sclera of the eye is seen. Eyelashes keep dust off the eye

Close-up of a womans healthy blue eye

Artwork showing the pupil of eye in varying light
Pupil of eye. Artwork showing how the pupil of the eye reacts in three different light intensities. The pupil is the circular opening (black) in the centre of the iris (blue)

Hard contact lens
Hard-type contact lens placed on the end of the forefinger ready for positioning on the eye: the liquid on the lens is a wetting agent (for cleansing & lubrication)

Retina rod cells, SEM
Retina rod cells. Coloured scanning electron micrograph (SEM) of a freeze-fractured section through a retina, revealing the structure of its photoreceptors

Detail of the eye of a young woman

Computer graphic 3-D block image of a human eye
Human eye. Computer graphic image of an eye formed out of three-dimensional blocks. The eye has a blue iris

Close-up of an eye wearing a hard contact lens
A hard-type contact lens in situ, resting on the cornea of the eye, separated from the highly sensitive tissue by a film of tear fluid

Thermogram of a close-up of a human eye

Vision: blue light entering the eye of a child
Vision. Beam of blue light entering the eye of a child in profile, depicting human vision

Vision: mirror image of childs face, eye to eye
Communication by vision. Profile of the mirror image of a childs face, eye to eye. The image depicts human vision and communication

Abstract illustration of the human eye, at night
Eye. Illustration of an open eye, appearing in the blue light of night. This image may be an abstract representation of insomnia (inability to sleep), or of psychological states such as anxiety

Cornea, SEM
Cornea. Coloured scanning electron micrograph (SEM) of a section through a cornea, the transparent region on the outer surface of the eye. The front of the eye is at top

Close-up of a womans blue eye with a tear-drop
Eye. Close-up of a womans healthy eye (in front view), seen with a single tear-drop on the lower eyelid. The black pupil of the eye is surrounded by a blue iris and white cornea

Front view of human eye

Rod cells. Coloured scanning electron micrograph (SEM) of rod cells (green) in the retina of the eye. Rod cells are light-sensitive cells which respond to dim light

Computer graphic image of a human eye

View of a womans closed eye
Closed eye. View of the closed eye of a woman. The eyebrow prevents moisture from running into the eye, the eyelid stops the eye from drying out and the eyelashes keep dust off the eye

Brain and vision
Illustration of visual pathways from the retina of the eye to the brain cortex (seen from below). At the back of each eye (at top)

Artwork of eye and light showing human sight
Human sight. Artwork of an eye and brain superimposed over a human head in profile with wavelengths of visible & invisible light

Contact lens seen on a fingertip
Contact lens. View of a contact lens on a finger- tip prior to being placed on the eye. Contact lenses are worn directly on the eye to correct imperfect vision

Front view of human eye with dilated pupil
Dilated pupil. Close-up of a human eye with a dilated pupil. See P420/326 for the same eye without dilation. Dilation of the pupil (mydriasis) is a normal response to dim lighting

Close-up of the eye of a young woman
Close-up of the eye of a young female, showing a dark green/grey/blue iris

Close-up of a womans blue eye

Artwork of eye in section demonstrating vision
Longsightedness. Artwork of a section through the human eye demonstrating longsightedness. In longsightedness or hyperopia close objects are seen blurred

Colour vision: spectrum of light entering the eye

Retina blood vessel and nerve cells
Retina cells. Fluorescent light micrograph of cells in the retina, the light-sensitive membrane that lines the back of the eyeball

Storage case for hard-type contact lenses
Temporary storage case for hard-type contact lenses, marked left & right to avoid confusion. The temporary cases do not contain liquid

Pair of healthy brown eyes, female
MODEL RELEASED. Pair of eyes. Close-up of a womans healthy eyes, seen in front view. The black pupils are surrounded by brown irises

Artwork of the structure of the front of an eye

Coloured SEM of rod cells in the retina of the eye
Rod cells. Coloured scanning electron micrograph (SEM) of a group of rod cells in the retina of the eye. Rod cells are light sensitive cells which respond to dim light

Coloured SEM of iris epithelial cells of the eye
Iris epithelium. Coloured scanning electron micrograph (SEM) of epithelial cells (green) lining the underside of the human iris

Eye retina
Structure of the retina. Computer artwork showing the structure of the eye retina. The retina is a thin tissue layer on the inner eye responsible for sight. Light strikes from the top

Computer artwork of the structure of the retina
Structure of the retina. Computer artwork showing the structure of the eye retina. The retina is a thin tissue layer on the inner eye responsible for sight. Light strikes from the top

Blood vessels in eye
False-colour scanning electron micrograph (SEM) of blood vessels in the choroid of the eye. A branch- ing network of arteries and veins can be seen in this area under the central fovea

False-colour SEM of the structure of the retina
False-colour scanning electron micrograph (SEM) of the eye retina. The retina, which detects visible images, is made up of many layers of cells (seen here)

False-colour SEM of rod cells in human retina
False-colour scanning electron micrograph (SEM) of rod cells situated in the human retina. Two layers are visible here : one at top (pinkish)

False-colour SEM of cells from lens of hu

Illustration of the fine structure of the eye lens. This is the internal optical component (also called the crystalline lens) of the eye, responsible for adjusting focus

Normal retina of eye
Fundus camera image of the retina of a normal eye, showing the distribution of the retinal veins & arteries: the central retinal artery (a branch of the opthalmic artery)

Illustration of nerve cells in mammalian retina
Illustration of the layers of nerve cells comprising the mammalian retina, the light- sensitive layer of the eye. At bottom

Contact lens
MODEL RELEASED. Contact lens. Woman inserting a disposable (soft) contact lens

Magnified eye
MODEL RELEASED. Magnified eye seen through a magnifying glass

Eye. Computer artwork of a female eye with a maze superimposed on the iris (green)

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"Unlocking the Wonders of Visual Sense: Exploring the Intricacies of Our Eyes" Our eyes, like intricate masterpieces, hold within them a world of visual wonders. The iris, akin to a delicate flower's petals, reveals its captivating hues and patterns that make each individual unique. Through the lens of a scanning electron microscope (SEM), we delve into the mesmerizing details of this remarkable feature. As we journey deeper into our visual sense, contact lenses emerge as modern marvels that enhance our perception. They seamlessly blend with our irises, offering clarity and comfort while allowing us to see the world in all its vibrant glory. The retina takes center stage in this symphony of sight – an intricately woven tapestry capturing light and transforming it into vivid images. Its false-color SEM unveils the central fovea, where vision is sharpest and most precise; a testament to nature's precision craftsmanship. Delving further into this microscopic realm, we encounter the ciliary body – an unsung hero responsible for adjusting our eye's focus effortlessly. Revealed by SEM imaging techniques, its intricate structures showcase nature's ingenuity at work. Traversing through retinal blood vessels captured by SEM imagery unravels their complex network nourishing every corner of our visual canvas. These lifelines remind us how interconnected every aspect of our visual sense truly is. The eye lens emerges as another extraordinary component under scrutiny by SEM technology - revealing its layered architecture designed meticulously for optimal refraction and focusing power. It serves as a gateway between worlds - bending light rays to create clear visions before they reach our precious retina. Within this masterpiece lies rods and cones - tiny warriors guarding against darkness or illuminating colors with finesse unmatched elsewhere in nature’s palette. Their artistic portrayal showcases their vital role in shaping what we perceive around us. Lastly but not leastly comes eye color – an enchanting kaleidoscope reflecting both genetics and individuality.