The cheapest option among roller blind, pleated blind, and venetian blind can vary depending on the specific brand, material, and size. However, in general, roller blinds tend to be the most cost-effective option. They are often made with simple materials and construction, making them more affordable compared to pleated or venetian blinds. It's important to compare prices and quality to find the best option for your budget and needs. **

The cost of a roller blind at an interior decorator can vary depending on the size, material, and design of the blind. On average, a standard-sized roller blind can cost anywhere from $50 to $200. However, custom-made or high-end roller blinds can cost significantly more. It's best to consult with the interior decorator for an accurate price based on your specific needs and preferences. **

Blind dogs may not have the same level of self-awareness as humans, but they can still understand that they have limitations in their ability to see. They may not comprehend the concept of blindness in the same way humans do, but they can adapt to their condition by using their other senses to navigate their environment. Blind dogs can still live happy and fulfilling lives with the support and care of their owners. **

Contemporary plays can be considered modern in the sense that they reflect current societal issues, values, and cultural norms. They often incorporate modern technology, language, and themes that are relevant to today's audience. However, the term "modern" can also refer to a specific historical period in theater, typically the late 19th and early 20th centuries, so in that sense, contemporary plays may not be considered modern. Overall, the classification of contemporary plays as modern depends on the context and definition being used. **

Yes, wearing non-prescription or improperly fitted contact lenses can lead to serious eye problems, including vision loss. These lenses can cause corneal ulcers, infections, and other complications that may result in permanent damage to the eyes, including blindness. It is important to always follow the advice of an eye care professional and only wear contact lenses that are prescribed specifically for your eyes. **

No, rabbits are not blind. They have good vision and are able to see in low light conditions. Their eyes are positioned on the sides of their head, giving them a wide field of vision to help detect predators. Overall, rabbits rely heavily on their sense of sight to navigate their surroundings and stay safe. **

No, sharks are not blind. They have well-developed eyes that are adapted for hunting in low light conditions. Some species of sharks even have a reflective layer behind their retina called the tapetum lucidum, which enhances their vision in dark or murky waters. Sharks rely heavily on their vision to locate prey and navigate their environment. **

No, blind people do not become sighted and sighted people do not become blind. Blindness and sight are typically permanent conditions that are not reversible. However, advancements in medical technology and treatments may help improve vision for some individuals with certain eye conditions, but complete reversal of blindness is not currently possible. **