Does all high/severe myopia have lattice degeneration at some time ? how can it be diagnosed? i had seen 2 retina docs in last 6 months, they mentioned nothing

Not all high myopes : Lattice retinal degeneration. Lattice retinal degeneration is diagnosed by examination and the area are generally located in the peripheral retina. If two doctors have examined your eye and have said nothing a about lattice , you probably don not have it, .

No : Not all myopic people have lattice degeneration, however it is more common. About 5 to 10% of population has it and up to 50% have it bilaterally. There is a familial predisposition to lattice degeneration. Retinal detachment risk is increased, and about 25 to 30% of patients presenting with retinal detachment have lattice degeneration as underlying cause. A dilated retinal exam can identify it.

No: Not every high myope gets lattice degeneration and not everyone with lattice is myopic. It can only be detected on a dilated retinal examination.

Lattice in 7%: 7% of the population has lattice. But not all patients with severe myopia have lattice. SO it could be that you don't have lattice OR the docs you saw did not think it was worth mentioning (if the degenerative myopia seemed more significant). I'd ask them specifically if you had lattice .