View allAll Photos Tagged cornea

Spalancare gli occhi al buio e poi chiuderli forte forte e poi aprirli e restare accecati dai puntini creati dalla pressione sulle cornee, strizzarli, farli roteare, mettere a fuoco...ora in qualche modo hai visto la Luce... e che la Luce sia con voi...

😜

Open your eyes in the dark and then close them hard and then open them and stay blinded by the dots created by the pressure on the corneas, squeeze them, make them rotate, focus ... now you've somehow seen the Light ... and that Light be with you ...

 

f00401

 

Thanks very much for your interest, fav or time to comment !!

The pupil is the sphere that is located in the center of the iris of the eye and that controls the amount of light that enters the eye. It appears black because most of the light entering the pupil is absorbed by the tissues inside the eye. In optical terms, the anatomical pupil is the eye's aperture and the iris is the aperture stop. The image of the pupil as seen from outside the eye is the entrance pupil, which does not exactly correspond to the location and size of the physical pupil because it is magnified by the cornea. On the inner edge lies a prominent structure, the collarette, marking the junction of the embryonic pupillary membrane covering the embryonic pupil.

 

Camera: Canon EOS 50D

Exposure: 0.017 sec (1/60)

Aperture: f/9.0

Focal Length: 70 mm

ISO Speed: 800

 

ALL by me

model: AL MAHA

Edit type: HDR ( High Dynamic Range )

"Elephant seals have large eyes, each with a spherical lens. These specialized lenses help them in absorbing more light in the dark depths. In addition to these lenses, their eyes also contain high numbers of extremely sensitive rod cells called photoreceptors. Helping these rod cells is a mirror-like layer of reflecting plates behind the retina. By reflecting light back through the retina a second time, the light-gathering ability of the rod cells is increased. Their eyes also have a strengthened cornea which is heavily keratinized, and a protective third eyelid called a nictating membrane. This nictating membrane is transparent and moves horizontally across the eye moistening their eyes with an oily liquid. Not only does this membrane protect their eyes underwater by lessening the friction, but it also removes sand and other debris when they're on land. Because elephant seals have no tear ducts, their eyes run more or less continuously when they're ashore." Source: elephantsealnotes/senses Birds have nictating membranes on their eyes, but I did not realize Northern Elephant Seals had them as well until after I took this shot and did some research. Note scratches on his nose from "play fighting" with other juvenile males.

Intéressant cette perle de lumière qu'on voit des fois lorsqu'un rayon puissant traverse la cornée telle une loupe.

 

A ray of sunlight forms a bead at the base of the eye after having been magnified through the cornea of the bird's eye.

 

Closer - n u a g e s - Listen

 

Clemmm - Cornea Transplant Eyes - TAG! Gacha – The Haunted Mortuary

 

Looking close... on Friday!

Texture in Flora

 

Pink shamrock (Oxalis debilis var. corymbosa ) is regarded as a minor environmental weed in Queensland, and as a "sleeper weed" in other parts of Australia.

 

I have just had cataract surgery,

my vision is very limited.

 

Cataract surgery

This is one of the most frequently performed surgical procedures in the world. The surgery involves:

 

Administering a local anaesthetic to the eye(s)

Making a tiny 2–3 mm incision in the outermost layer of the eye (the cornea)

Making an evenly round incision in the ‘bag’ (capsule) containing the affected lens

Breaking up the affected lens into smaller pieces with an ultrasound

Removing these pieces with a vacuum and flushing the lens capsule to clean it

Inserting and accurately positioning a clear artificial replacement lens (known as an intraocular lens or IOL).

The new lens can’t be felt once placed inside the eye. When a lens is replaced, it is not possible to develop another cataract.

 

The operation itself takes less than 30 minutes and can be performed in a day surgery or in hospital.

 

Right eye 3rd November 2022.

Left eye 9th November 2022.

My best friend Bailey Puggins turns 15 years old! (Real Birth date is January 22nd) She may not always be able to make the jump onto the sofa, but she can still hop like a little bunny!

 

I wanted to thank all of our friends for their love and support for Bailey. Her left eye ulcer continues to improve. There is only a little of that milky white blob still on the cornea, but the vet said they take a long time to heal. We cheated and took this photo last week before the temperatures dropped below -30°C this week. The pugs can only stay out a few minutes in this terrible cold.

 

Have a wonderful week Flickr friends. Tina and the Puglets xo

 

I would like to thank all of you that have taken the time to view and comment on my photos, it is very much appreciated.

 

Another shot with the extensiontubes and canon 50mm 1.8ii. I'm really amazed how this little piece of gear can make such a hugh difference! Amazing! Will upload more shots taking with the extensionstubes. This photography was inspired by the an series of photography done by the artist Suren Manvelyan.

Eagles have eyelids that close during sleep. For blinking, they also have an inner eyelid called a nictitating membrane. Every few seconds it will slide across the eye from front to back wiping off dust from the cornea. Eagles are able to see during this process since it's translucent. It looks like this beauty just fed....

Most ghost crabs have pale-colored bodies that blend in well with the sand,] though they are capable of gradually changing body coloration to match their environments and the time of day.

Some species are brightly colored, such as Ocypode gaudichaudii and Ocypode ryderi.

Ghost crabs have elongated and swollen eyestalks with very large corneas on the bottom half. Their carapaces are deep and box-like, squarish when viewed from the top with straight or slightly curving sides. The regions of the carapace are usually not clearly defined. The "whip" of their antennules (antennular flagella) are small or rudimentary. They fold back into the body diagonally or almost vertically. The plate between them (the interantennular septum) is broad. The third pair of mouth appendages (maxillipeds) completely cover the mouth opening. A small orifice with edges thickly fringed with hair is found between the bases of the second and third pairs of walking legs

 

Explore...thanks ♥

 

Happy Monday everyone :) Hope you had a wonderful weekend!! xxx

 

Just on a side note..I don't run the "Cornea Burn" group anymore. I'm thinking of starting a new one...something with coffee maybe..haven't decided yet :)

Calocera cornea, Upper Marlboro, MD

A red-tailed tropicbird, koa’e ‘ula, hovers near a sea cliff nest. Interestingly, this photo reveals the sunlight striking the bulbous eye corneas from above is focused to a point below, looking like tears of light. Tropicbirds are superb aerial acrobats and the only bird I can think of, other than hummingbirds, which can also fly backwards. Their aerial courtship displays over the ocean are fascinating to watch. The red-tailed tropicbird (Phaethon rubricauda) is one of only three species of tropicbirds worldwide and identified by the red bill and distinctive long, red, central tail streamers. Surely among the most beautiful of all the seabirds!

From www.birdnote.org/listen/shows/nictitating-membranes-natur...

 

"For most birds, keen eyesight is absolutely critical — for finding food, spotting predators, and generally staying alive. But many birds lead lives that could be very hard on the eyes.

 

"Fortunately, birds have evolved a structure for protecting their eyes. Like humans, they have upper and lower outer eyelids. But beneath the outer eyelids lies an extra eyelid, called the nictitating membrane. Nictitating, for all its alliterative syllables, simply means “blinking”. This extra eyelid is hinged at the inner side of the eye and sweeps horizontally across the cornea. The nictitating membrane is largely transparent, and it helps keep the eye moist and clean while guarding it from wind, dust, and hazards.

 

“Reptiles and some mammals have the extra eyelid, too.”

 

—Bird Note

Many flies in the Dolichopodidae family have metallic green reflections in their cornea due to the cornea's wavelength-selective spectral reflectance. Their cornea is built like a multi-layered mirror that reduces the transmission of green light to the cornea's light receptors. This results in distinctive green iridescent eyes that many of the flies have.

The P. nobilitatus species exhibits sexual dimorphism; females and males have distinctive wing markings. Males are usually 7mm long and are smoky black on the distal half of their wings and white on the tips. Their thorax and abdomen are a shiny golden green. Males tend to be bigger than the females and usually have a wing length of 5.7± 0.4mm, whereas females have a wingspan of 5.2± .03mm. The wing spread of males is about 1mm larger than that of similarly sized females. Reproducing males have a larger wingspan length of 6.0±0.3mm compared to randomly caught males that have a wingspan length of 5.7±0.4mm. In the Dolichopodidae family, there is a lot of diversity in the male signaling organs. The differences in the signaling organs can be found on the antennae, all legs, the wings, the cerci, and certain abdominal projections.

From this point of view it is distinctively visible that the very flat disk of cat's iris behind the spherical cornea significantly differs from a human one.

"We only use cookies to enhance your online experience..."

Thank you Kristy for the beautiful testimonial - please look at her beautiful work! www.flickr.com/photos/lilylove/

 

Kristy also has a great group, Cornea Burn - which I am forever trying to get a great pic for - here's one from sailing last Thursday night - I just feel I'm pretty rubbish at landscapes - I never seem to do justice to how beautiful it actually was there - Sigh. But, got to prove to Kristy that I really do try with the Burn thing!!!

 

Sorry about the rope, bottom right hand corner - but its pretty impossible on the sailing boat to get any pic without a bit of rope or sail in it!

Check my site, 800 species of fungi and slime molds photographed in Finland.

 

www.mushroomimage.com/

Location: Oisterwijkse Bossen en Vennen, The Netherlands.

Date taken: November 30, 2022.

She'll bring us down, the river falls dry,

the kids become ill, the cattle will die.

I've seen her, I swear, she danced at his side.

Tonight she'll be the devil's bride

 

Lingua Mortis Orchestra - The Devil's Bride

 

Credits

****************

-CLOTHES-

Peqe - Lady's Shrug

 

-ACCESSORIES-

[CX] Tsukiyomi's Halo EXCLUSIVE

+REDRUM+ Lace Blindfold

:[P]:- Muse Headdress Scripted EPIC

 

-HAIR-

[RA] Amalthea Hair

 

-MAKE UP-

antielle. Beauty Clinic - 9 - Nurse Lips / Red

{L} Asphyxiation; Scar (neck)

{L} Ruptured Corneas (eyes)

"The eye of a human being is a microscope, which makes the world seem bigger than it really is."

 

-Kahlil Gibran

 

I have seen some stunning eye shots here on flickr most notably the images of

yellowrubberduck and Dalbir . Check out their photostreams as they have some wonderful images.

 

This is one of my first attempts in eye shots.

One or more observers in an area of interest #CrazyTuesday #Eyes

Club-like Tuning Fork, Kent Island, MD

Feliz cumple ratamala, dexexoche un dia do melloriño, non todos os días se cumplen cuarenta anos jajajaja

Gracias por comentar y un abrazo a tod@s

Exposición20

Aperturef/11.0

Lente10 mm

Velocidad ISO100

Tendencia de exposición0 EV

A jelly, but not a coral.

"Good chum of mine sent me a big box while I was out on a stroll one day. Now that it's all set up, let's take it for a spin, shall we?..."

 

This photo was taken at Cocoon Cyberpunk Roleplay, featuring the netrunner chair and the recently updated eyes with new texture and cornea animation packs, all made by Cece herself! All can be found in the landing area, in world and on sim!

 

Come for the neon, stay for the intrigue!

 

maps.secondlife.com/secondlife/Esperia/237/170/4086

The amount of light that can damage your eyes depends on the brightness of the light and how long you're exposed to it:

 

Sunlight

Staring directly at the sun for even a few seconds can cause permanent retinal damage.

 

Dim light

Staring directly into a dim light, like a reading light, for more than a few seconds can cause discomfort.

 

Chronic exposure

Exposure to light that's not as intense over days or weeks can also cause permanent eye damage. This is called photo-oxidative damage and can injure the retina.

 

The iris, the coloured part of your eye, is your eye's main defence against bright light. When intense light hits your eye, the iris constricts your pupil to protect your retina.

 

Snow blindness, also known as photokeratitis, is a painful eye condition that occurs when the cornea is exposed to too much ultraviolet (UV) light: Snow blindness is a type of sunburn that affects the eyes. It's caused by damage to the cornea, the transparent front layer of the eye, from UV rays.

  

Sunshine and shadows - Oslo, Norway.

Auricularia cornea est une espèce de champignon de la famille des Auriculariaceae.

I just had to get one more shot this morning, which proved a mistake. A branch of stickers flipped into my eye with one of the stickers lodging in my cornea. Spent the next few hours getting emergency treatment. Not exactly how I'd planned to spend my day. This is that one last pic.

OLYMPUS DIGITAL CAMERA

Ein kleiner Doppelgänger des Klebrigen Hörnling ist der Pfriemförmige Hörnling. Man findet ihn durchaus auch im Laubwald, wie dieses Exemplar. Ganz vorsichtig spaltete ich das Holz, in welchem der Pilz wuchs, um auch die "unterirdischen" Teile des Pilzes sichtbar zu machen. Zudem positionierte ich eine LED Leuchte hinter dem Pilz, so dass der Eindruck entstand, der Pilz würde aus sich heraus leuchten.

 

A small doppelganger of the Sticky Horn Cap is the Subtle Horn Cap. It can also be found in deciduous forests, like this specimen. I carefully split the wood in which the mushroom was growing to reveal the "underground" parts of the mushroom. I also positioned an LED light behind the mushroom to create the impression that the mushroom was glowing from within.

Photokeratitis or ultraviolet keratitis is a painful eye condition caused by exposure of insufficiently protected eyes to the ultraviolet (UV) rays from either natural (e.g. intense direct or reflected sunlight) or artificial (e.g. the electric arc during welding) sources. Photokeratitis is akin to a sunburn of the cornea and conjunctiva.

 

The injury may be prevented by wearing eye protection that blocks most of the ultraviolet radiation, such as welding goggles with the proper filters, a welder's helmet, sunglasses rated for sufficient UV protection, or appropriate snow goggles. The condition is usually managed by removal from the source of ultraviolet radiation, covering the corneas, and administration of pain relief. Photokeratitis is known by a number of different terms including: snow blindness, arc eye, welder's flash, sand eyes, bake eyes, corneal flash burns, flash burns, niphablepsia, or keratoconjunctivitis photoelectrica.

  

Oil spots on the sensor of Nikon D7000 series cameras became a notable issue shortly after the model's release. These spots were caused by oil from the camera's internal mechanisms, particularly the shutter or mirror assembly, being dispersed onto the sensor. This resulted in visible smudges or dark spots in images, especially noticeable in shots with large areas of sky or uniform backgrounds. The oil spots were more prevalent in new units and tended to decrease over time, though some users experienced persistent problems. While Nikon did not officially issue a recall, they offered cleaning services for affected cameras, and many users resorted to DIY cleaning methods or professional sensor cleaning to address the issue. (Not for me ! several cleaning sessions 2 professionally and they still show. I have owned the D7000, D7100, D7200 and all suffered the same problem to some extent). It ruined my Nikon experience forever.

  

Hintertux glacier, Austria.

Small Stagshorn | Calocera cornea | Dacrymycetaceae

 

Samsung NX1 & Helios 44-2 - 58mm f/2

10mm Macro Tube | f/3.2 | Manual Focus | Available Light | Handheld

 

All Rights Reserved. © Nick Cowling 2019.

In the human eye the lens changes focal distance to create a clear image, much like a camera lens.

One of the coolest things in nature are frog eyes, with their big bright corneas of varied colors and patterns and dark pupils. The eyes of the Green Frog (aka the "edible frog," Pelophylax esculentus or Rana esculenta) have a wonderful gold/ black mottling oval cornea. Frogs see best at distances, though pick up motion extremetly well, an obvious benefit for hunting insects. The prominent positioning of their eyes gives frogs a 180 degree view around them, useful for finding prey and detecting predators (like people who relish frog legs (cuisses de grenouille).

 

This wonderful specimen was in a small pond in the Jardin des Plantes, near the Muséum national d'Histoire naturelle in Paris.

Eagles have eyelids that close during sleep. For blinking, they also have an inner eyelid called a nictitating membrane. Every three or four seconds, the nictitating membrane slides across the eye from front to back, wiping dirt and dust from the cornea.

 

Because the membrane is translucent, the eagle can see even while it is over the eye. Eagles have an upper and lower eyelid, similar to ours, the nictitating membrane closes horizontally across the eye.

 

Here is an edit of this membrane in action. I thought we could use a little see-through editing to see what it looks like.

This picture is for the group Happy Caturday and this week the theme is "Owners Choice".

 

Elijah has had a bad week. We had to take him to the Vet last week because of an eye injury. The doctor was unable to tell what exactly happened that caused an eye ulcer. She said that a hair or even a speck of dust could cause a cat to rub his eye and in turn it could cause a scratch. It could have even happened when I was playing with him... although I don't remember his toy hitting his face. :(

 

Thankfully we took him to the Vet when we noticed him rubbing his eye and saw the redness and tearing.

When she put drops into his eye and used a special light to look at his cornea it almost looked like a tiny fingerprint was on the surface his eye. For the past 8 days we put two kinds of eye drops into his eye and he has recovered. Yesterday we had a follow up with the doctor and repeat of looking at his cornea and was told that it is completely healed. You can see in this picture that he rubbed most of his eyelashes off of his right eye.

 

I think he handled it better than I did. I was worried sick!! Surprisingly he did great at letting us put the drops in his eye three times a day.

 

(I Can See Clearly Now - Jimmy Cliff)

youtu.be/MrHxhQPOO2c

if I'm not mistaken it's a small stagshorn (Calocera cornea) at magnification ratio of approx. 2.5:1

[...] tout ce qui s'édifie est d'une laideur monstrueuse et nous ne savons plus bâtir de temples , de palais ni de tombeaux , de places triomphales ni d'amphithéatres [...]

Auricularia cornea est une espèce de champignon de la famille des Auriculariaceae.

Clitoria ternatea is a fast growing climber with beautiful blue and sometimes white flowers. A drought hardy plant which can be used as a fast growing screen along fences. Attracts butterflies. Considered to be pantropic in distribution with an uncertain country of origin. Fabaceae (Pea) family.

 

The White Butterfly Pea ( Clitoria ternatea ) is cooling, acrid, purgative, diuretic, laxative, alexiteric, anthelmintic and tonic to the brain. It is useful in treatment of eye-diseases, ulcers of the cornea, tuberculous glands, elephantiasis, headache, ascites, leucoderma, burning sensation, pains, biliousness and ulcers.

 

In traditional Ayurvedic medicine, it has been used for centuries as a memory enhancer, nootropic, antistress, anxiolytic, antidepressant, anticonvulsant, tranquilizing and sedative agent. In Southeast Asia the flowers are used to colour food. In Malay cooking, an aqueous extract is used to colour glutinous rice (from wikipedia.).

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