169
submitted 11 months ago by Witchhatswamp@lemmy.world to c/pics@lemmy.world

In the light, my dog has 2 browns eyes, but the shine at night is 1 red and 1 green. Merry Christmas from Dinah-dog!

top 13 comments
sorted by: hot top controversial new old
[-] 342345@feddit.de 14 points 11 months ago* (last edited 11 months ago)

Source

This is due to a structure in the back of the eye called the tapetum lucidum. This is a reflective layer in the back of the eye that sits just in front of the blood filled layer called the choroid. The job of this layer of the eye is to reflect light back onto the retina a second time to amplify light in dark conditions. The color of the tapetum and its reflection can vary from a green, blue, orange or yellow hue. This coloration often changes over the first 3 months of life. Some dogs, similar to humans, do not have a tapetum. This is most common in dogs with blue eyes. Thus, when a photograph is taken, the tapetum is not present to create the colored reflection and therefore the red blood vessels in the back of the eye are visualized. This creates the “red eye” look.

Interesting. So your dog is night blind in one eye?

If you notice a change in how your dog’s eyes are reflecting over time (duller or brighter) or there is a difference in the reflection between eyes, it is advisable to have the eyes examined. It could indicate an eye disease that needs to be addressed.

Hmm. Nah.

[-] eyes@lemmy.world 17 points 11 months ago

That last bit goes for people too, it's called Leukocoria can be am early sign of all sorts of eye disease. It's a common way retinoblastoma (a thankfully relatively rare child eye cancer) gets caught - it shows up as a sort of white sheen in one eye in flash photos.

[-] SuzyQ@sh.itjust.works 5 points 11 months ago

I know someone who had that. I remember their parents explaining how "red eye", in photographs, meant a healthy eye and how their child had had a "green eye" which lead to the path of the initial diagnosis.

They are a healthy young adult now with a glass eye.

[-] Nurse_Robot@lemmy.world 13 points 11 months ago

Personally I think that warrants a trip to the vet.

[-] HikingVet@lemmy.ca 1 points 11 months ago

Only if they face the aft end.

[-] garibaldi_biscuit@lemmy.world 8 points 11 months ago

Port and starboard with reverse gear engaged?

[-] HikingVet@lemmy.ca 1 points 11 months ago

Port and Starboard are absolute directions onboard a ship. They don't change depending whether the ship is heading ahead or astern.

[-] registrert@lemmy.sambands.net 4 points 11 months ago

It's a ships dog, can't you see the red and green lanterns?

[-] 768@sh.itjust.works 3 points 11 months ago

Is that a Terminator?

[-] valkyre09@lemmy.world 3 points 11 months ago

Doggo just looks like he’s full of Christmas Spirit! 🌲 🎅🏻

[-] JackGreenEarth@lemm.ee 2 points 11 months ago

Wow they look like those chocolate filled sweets

[-] kylie_kraft@lemmy.world 7 points 11 months ago

no eat doggy eyes

[-] venoft@lemmy.world 2 points 11 months ago

Yeah, that's not good, people. Take her to the vet please.

this post was submitted on 10 Dec 2023
169 points (96.7% liked)

pics

19581 readers
195 users here now

Rules:

1.. Please mark original photos with [OC] in the title if you're the photographer

2..Pictures containing a politician from any country or planet are prohibited, this is a community voted on rule.

3.. Image must be a photograph, no AI or digital art.

4.. No NSFW/Cosplay/Spam/Trolling images.

5.. Be civil. No racism or bigotry.

Photo of the Week Rule(s):

1.. On Fridays, the most upvoted original, marked [OC], photo posted between Friday and Thursday will be the next week's banner and featured photo.

2.. The weekly photos will be saved for an end of the year run off.

Weeks 2023

Instance-wide rules always apply. https://mastodon.world/about

founded 1 year ago
MODERATORS