Close-Up of a Realistic, Glowing Blue Eye Captured in Ultra-HD

Extreme close-up of a human eye, glowing deep sapphire blue, hyper-realistic, ultra-detailed iris with intricate textures, cinematic lighting, dramatic reflections, moist and glossy cornea, delicate eyelashes with fine shadows. The eye blinks naturally once or twice, with subtle muscle movement around the eyelids. The camera remains perfectly still, focusing only on the eye. Smooth and natural motion, ultra-HD, macro lens, National Geographic style, photorealistic, cinematic depth of field, soft lighting reflections, 8K resolution, Octane Render, ultra-HD