A desk lamp for a student's eye protection, consider these key features:

1. Flicker-Free and Glare-Free Light:

• LED Technology: Opt for LED lamps as they produce consistent, flicker-free light, reducing eye strain.
• Diffuser: A good diffuser helps distribute light evenly, minimizing glare and harsh shadows.   

2. Adjustable Brightness and Color Temperature:

• Dimming Function: This allows you to adjust the brightness according to the task and time of day.  
• Color Temperature: A color temperature of around 4000K is ideal for studying, as it provides a neutral light that's easy on the eyes.   

3. Ergonomic Design:

• Flexible Arm: A flexible arm allows you to direct the light precisely where it's needed, reducing eye strain.   
• Stable Base: A sturdy base ensures the lamp remains stable, preventing accidental knocks and disruptions.   

4. Blue Light Filter:

• Reduced Eye Strain: Blue light filters can help reduce eye strain and improve sleep quality, especially during late-night study sessions.

Recommended Brands:

• BenQ: Known for their eye-care technology, BenQ offers a range of desk lamps with features like flicker-free technology, blue light reduction, and adjustable brightness.  
• Philips: Philips offers a variety of desk lamps with different features, including adjustable brightness, color temperature, and flexible arms.   
• IKEA: IKEA provides affordable and stylish desk lamps with basic features like adjustable brightness and a flexible arm.   

Additional Tips:

• Proper Positioning: Position the lamp to avoid glare on the screen or book.
• Regular Breaks: Take regular breaks to rest your eyes.   
• Healthy Diet: A balanced diet rich in antioxidants can help protect your eyes.  
  

By considering these factors and choosing a high-quality desk lamp, you can help protect your child's eyes and create a comfortable study environment.