The most common manifestations of giardiasis are diarrhea and abdominal pain, particularly cramping; however, diarrhea is not invariable and occurs in 60% to 90% of patients. Other common manifestations include:1  bloating, 2  nausea with or without vomiting, 3  malaise, and. 4  fatigue.he most common manifestations of giardiasis are diarrhea and abdominal pain, particularly cramping; however, diarrhea is not invariable and occurs in 60% to 90% of patients. Other common manifestations include: 1  bloating,
Pinhole glasses have been marketed by various companies on the claim thatâcombined with certain eye exercises âthey could permanently improve eyesight.
A radical new range of sunglasses claims to be able to let the colour blind see far more like a person with perfect vision. The glasses were discovered by accident, and allow sufferers to see colours where they were previously muddled and muted. The glasses have now gone on sale for the first time. Scroll down for video. Spot the difference: On the left, Venice seen by someone with colour blindness.