32 - Vossius ring

The first figure shows Vossius ring due to Retro illumination and the second figure shows Vossius ring due to Direct illumination.

When blunt trauma occurs to the eye and the iris pigment epithelial cells are compressed against the anterior lens capsule with great force, a ring of cells may be left on the anterior capsule of lens, which is referred to as Vossius'' ring.

31 - Retinoscopy illustration video

 This is one of the best illustrated videos i have ever seen in my entire medical life. The guy very beautifully explains the whole concept of red reflex and using the red reflex to diagnose the condition and provide treatment . Have patience and watch the whole video , U will love it . I will soon post some theory regarding retinoscopy. Bye.

30 - Various types of cataract ( cataract eponyms )

      1. Christmas tree cataract = Myotonia Dystrophica 

      2. Snow flake / Snow storm cataract = Diabetes Mellitus

      3. Sunflower cataract = Wilson's disease

      4. Oil drop cataract = Galactosemia 

      5. Bread crumb appearance and polychromatic lustre 
                            =        Complicated cataract .