Rods and cones are essential photoreceptor cells in the retina that support night vision, color perception, and visual sharpness. Weakness in these cells, often linked to *Pitta* and *Vata* imbalances in Ayurveda, can lead to eye strain, blurry vision at night, and difficulty distinguishing colors. Excess screen exposure, processed foods, and deficiencies in vitamin A and antioxidants may further weaken retinal health. Ayurveda emphasizes *Chakshushya* (eye-nourishing) herbs like *Triphala*, *Amla*, and *Saptamrita Lauh* to strengthen the retina and prevent vision deterioration. *Ghee* infused with *Triphala* (Triphala Ghrita) is highly beneficial for retinal nourishment and reducing dryness. *Netra Tarpana* (ghee eye therapy) and *Anjana* (herbal eye application) help rejuvenate rods and cones, improving clarity and night vision. Cooling therapies, such as washing the eyes with *Triphala* water and applying *rose water*, balance excess *Pitta* and reduce eye fatigue. A diet rich in leafy greens, carrots, almonds, and healthy fats supports photoreceptor function, while reducing caffeine and artificial light exposure helps prevent degeneration. Regular *Trataka* (focused gazing), *Palming*, and gentle eye exercises enhance circulation and strengthen the optic nerve. Following these Ayurvedic principles can naturally protect vision and maintain healthy rods and cones.

Your keen awareness of your eye health and the underlying concerns you have about vision is commendable, and addressing these in the context of Ayurveda can be quite beneficial. In Ayurveda, eye health is indeed connected with both Pitta and Vata doshas; Pitta governs vision and the clarity of perception, while Vata is linked to sensory function, which includes movement and sensations like dryness and strain. The symptoms you describe, such as eye strain, mild blurry vision at night, and difficulty distinguishing colors, suggest a potential imbalance, possibly due to Vata aggravation from prolonged screen exposure and lifestyle factors. To support retinal health and enhance the function of rods and cones naturally, it's crucial to improve both your diet and lifestyle habits. Start by incorporating more fresh, whole foods rich in antioxidants and vitamin A, such as carrots, sweet potatoes, dark leafy greens, and fruits like Amla and papaya. Amla, in particular, is known for its ability to rejuvenate eye health and combat oxidative stress. Triphala, which contains Amla, is also renowned for improving digestion and delivering vital nutrients to the eyes. In terms of herbs, consider using Ghee in your cooking as it is prized in Ayurveda for its ability to nourish tissues, including those responsible for vision. You can also take a teaspoon of Amla powder daily, mixed in warm water or added to meals, to enhance ocular health. For eye care, try the process of eye washes using cooling herbs like rose water or an infusion of Triphala. Taking a few drops of these in your eyes can provide soothing relief and help clear any accumulated toxins. Also, practice the "Palming" technique to relieve eye strain: Rub your palms together to generate heat, then gently cup them over closed eyes for a few minutes. Make sure to take regular breaks from screens using the 20-20-20 rule, which involves looking at something 20 feet away for 20 seconds every 20 minutes. Additionally, incorporating simple eye exercises such as rotating your eyes in circles or focusing on distant and nearby objects can help strengthen your eye muscles. Since you're inclined towards a natural approach, these recommendations should align well with your preferences and can support the overall function of your rods and cones and retinal health, while helping to mitigate the impacts of lifestyle habits that could undermine your vision.