Cat vision: pehea e ʻike ai nā pōpoki i ka honua?

He mau maka nani loa ko nā pōpoki, a ua noʻonoʻo ka poʻe i ka ʻokoʻa o ka maka o kā mākou mau holoholona mai kā mākou. Pehea ka ʻike ʻana o nā pōpoki? ʻIke maikaʻi lākou i ka pōʻeleʻele? He maka oi ko lakou a i ole ia? ʻO kēia mau mea a pau he mea hoihoi loa.

Pehea ka ʻike ʻana o nā pōpoki i ka pōʻeleʻele?

ʻIke maikaʻi nā pōpoki i ka pōʻeleʻele. Ma muli o ke ʻano kūikawā o ka maka o ka pōpoki. Ua ʻike paha ʻoe i kekahi manawa e ʻālohilohi nā maka o nā pōpoki i nā kiʻi a i ʻole nā ​​wikiō? Hiki kēia hopena ma muli o kahi papa kūikawā o ka choroid o ka maka o ka pōpoki - ka tapetum. Hāʻawi kēia hale i ka hoʻohana pono ʻana i nā kumu kukui, ʻike ʻia i ka pō a me ka pō. No laila, ʻo 7 mau manawa kiʻekiʻe ke kiʻekiʻe o ka naʻau i ka mālamalama i nā pōpoki ma mua o ke kanaka.  

Nā hiʻohiʻona o ka ʻike o nā pōpoki

ʻAʻole like me nā kānaka, ʻike pinepine nā pōpoki i ka pōʻino ma kahi kokoke, akā hiki iā lākou ke hoʻokaʻawale i nā mea neʻe i kahi mamao, e kōkua iā lākou e hahai. ʻOi aku ka nui o ka nānā ʻana o kāu pipi ma muli o nā maka ākea: ma ka awelika, ʻike ka pōpoki i 200 degere, hoʻohālikelike ʻia me ka awelika o ka ʻike kanaka o 180 degere.

ʻO ka hihiʻo ʻeleʻele a me ke keʻokeʻo i loko o nā pōpoki he moʻolelo moʻolelo. ʻO nā pōpoki, e like me nā kānaka, hoʻokaʻawale i nā kala, akā me nā nuances: "hoʻomaopopo" maikaʻi lākou i nā aniani monochrome o ka ʻeleʻele, keʻokeʻo a me ka hina. ʻAʻole ʻike ʻia nā waihoʻoluʻu ʻulaʻula, e like me ka melemele a me ka ʻulaʻula, e nā pōpoki, akā mau ka ʻike kala. 

ʻOi aku ka ʻike maka o kā mākou mau holoholona ma mua o mākou. E pili ana i nā hiʻohiʻona o ka maka. ʻO nā pōpoki, e like me ke kanaka, ʻelua ʻano o nā pūnaewele photoreceptor i loko o ka retina, i kapa ʻia ʻo nā lāʻau a me nā cones. ʻO ke koʻokoʻo ke kuleana no ka ʻike ʻaoʻao a me ka pō, ʻoiai nā cones ke kuleana no ka ʻike ao a me ka ʻike kala. ʻOi aku ka nui o nā koʻokoʻo ma mua o nā cones i kā mākou mea nani. ʻO ia ka pilina ma waena o mākou i ka ʻike ʻana i nā kala a me ka hiki ke ʻike i ka pō. I loko o ke kanaka, ua hoʻohuli ʻia ke kūlana, no laila ʻaʻole hiki iā mākou ke ʻike maikaʻi i ka pō, akā hiki iā mākou ke ʻike maikaʻi i nā kala.

pilikia ʻike maka

ʻO ka mea pōʻino, ʻike nā feline i ka nalowale o ka ʻike. ʻAʻole hiki i ka mea nona ke ʻike i nā pilikia i nā manawa a pau, no laila e noʻonoʻo inā ʻike kou nani huluhulu i kekahi o kēia mau hōʻailona:

• ʻulaʻula o nā maka;
• haehae mau;
• hoʻokuʻu mai nā maka (eg, pus);
• lethargy a me ka hiamoe;
• me he mea lā ua pohu nā maka, etc.

Inā ʻike ʻoe ua ʻike maopopo ʻia kāu pōpoki, e nīnau koke i kāu kauka holoholona. He ma'i paha ia i ka mea holoi hou a i ka lepo paha. Hiki nō hoʻi kahi maʻi lele. Mai mālama iā ʻoe iho ma lalo o kekahi kūlana. Na ke kauka lapaʻau e hana i ka nānā pono ʻana i ka holoholona a kuhikuhi i ka mālama pono.