When Do Kittens Open Their Eyes? A Growth Timeline
Kittens are born in a state of "altricial" dependency. They are blind, deaf, unable to regulate their body temperature, and unable to pee on their own. If you find a stray kitten, determining their age is critical for knowing what to feed them (Formula vs. Gruel). The best indicators are the eyes and ears. For comprehensive neonatal care guidance, see the ASPCA kitten care guide.
Week 1: The Potato Phase (0-7 Days)
- Eyes: Sealed shut tightly.
- Ears: Folded flat against the head.
- Umbilical Cord: Attached. Falls off around Day 3-5.
- Movement: They wiggle and crawl but cannot walk.
- Care: Bottle feed every 2-3 hours. Stimulate to potty.
Week 2: The Awakening (7-14 Days)
This is the magical week.
- Eyes: Begin to "peep" open. Usually starts at Day 8-10.
- The Look: They don't pop open at once. One eye might open before the other. They look squinty.
- The Color: ALL kittens have cloudy blue eyes at this stage.
- WARNING: Never pry the eyes open. Let the membrane dissolve naturally. If there is crust/pus sealing them, wipe gently with a warm, wet cotton ball.
- Ears: Start to unfold and stand up.
Week 3: The Wobble (14-21 Days)
- Eyes: Fully open. Vision is blurry. The color is bright blue.
- Ears: Fully upright.
- Teeth: The tiny front incisors (baby teeth) start cutting through gums.
- Mobility: They start walking, but they wobble and fall over (drunk walking).
Week 4-5: The Miniature Cat (21-35 Days)
- Eyes: Vision is sharp. They can track moving objects.
- Eye Color Change: Around Week 6-7, the blue starts to change to their permanent adult color (Green, Gold, Copper).
- Mobility: Running, pouncing, and climbing curtains.
- Food: Can start weaning onto "gruel" (wet food mixed with formula).
Eye Care for Neonates
Kittens are prone to eye infections (Neonatal Ophthalmia).
- Signs: Swollen eyelids, yellow/green discharge, or eyes sealed shut with crust.
- Action: This is usually a bacterial infection (from the birth canal) or Herpes virus. It needs antibiotic ointment (Terramycin) immediately, or they can go blind.
Summary Chart
| Age | Eyes | Ears | Mobility |
|---|---|---|---|
| 0-1 Week | Closed | Flat | Wiggle |
| 2 Weeks | Peeping Open | Unfolding | Crawl |
| 3 Weeks | Open (Blue) | Upright | Wobble Walk |
| 4 Weeks | Tracking | Perfect | Running |
Read Next: Kitten Teething Timeline
Frequently Asked Questions
What should I do if a kitten's eyes have not opened by day 14?
If a kitten's eyes remain fully sealed past 14 days, do not attempt to pry them open. Gently wipe the closed eyelids with a warm, damp cotton ball several times a day to soften any crust or discharge that may be sealing them shut. If they still do not open by day 16-17, or if you notice swelling or pus behind the sealed lids, see a veterinarian immediately as this may indicate neonatal ophthalmia, a bacterial infection that can cause permanent blindness without antibiotic treatment.
Why are all newborn kittens' eyes blue?
All kittens are born with blue eyes because melanin, the pigment responsible for eye color, has not yet been deposited in the iris. Melanin production increases gradually with exposure to light, and the permanent eye color typically emerges between 6 and 8 weeks of age. By 12 weeks, most kittens will have their final eye color, which may be green, gold, copper, or remain blue in certain breeds like Siamese and Ragdoll.
Can I bottle-feed a kitten with regular baby formula?
No, human baby formula is not suitable for kittens because it has the wrong protein-to-fat ratio and lacks taurine, an essential amino acid for cats. Always use a commercial kitten milk replacer (KMR) specifically formulated for feline nutritional needs. In a short-term emergency, plain goat's milk is a safer temporary substitute than human formula or cow's milk, but get proper KMR within 24 hours.