The fanfiction could be set during a Hogwarts exam. Harry loses his glasses right before starting. He has to rely on his memory of the spells and potions he's studied. This situation could cause him a great deal of stress, but it could also show his true knowledge and capabilities. His friends could also be trying to find his glasses for him during the exam, adding some comical and tense elements to the story.
One possible fanfiction could be about Harry losing his glasses in the middle of a crucial moment at Hogwarts, like during a Quidditch match. He might struggle to see the Snitch clearly without them, and the story could revolve around how he overcomes this obstacle using his other senses and the help of his friends.
There's a fanfiction where Harry's glasses are cursed by a dark wizard. The curse makes it so that every time he puts them on, he sees illusions of his worst fears. He has to find a way to break the curse with the help of Hermione and Ron. It's a really interesting take on the 'Harry I wish I had my glasses' concept as it adds a lot of suspense and character development.
In some 'Harry I wish I had my glasses' fanfictions, Harry's glasses could be the key to unlocking a hidden chamber in Hogwarts. Maybe the glasses have a special engraving that, when combined with a certain spell, reveals a secret passage. Another idea is a fanfic where Harry loses his glasses in the Forbidden Forest. As he searches for them, he stumbles upon a magical creature that helps him find his glasses but also asks for a favor in return. There might also be a fanfic where Harry's glasses get sent to an alternate dimension, and he has to journey there to retrieve them, facing many challenges along the way.
Maybe in this fanfiction, the island is a place filled with illusions. Harry's lost glasses are not just ordinary glasses but hold some sort of key or magic. As he tries to find them, he discovers secrets about the island and its connection to his past. For example, the island might have been a place where a powerful wizard once hid something important, and Harry's glasses are somehow related to it. He has to use his wits and magic skills to overcome the illusions and find his glasses before it's too late.
One possible plot for a 'Harry Potter in prison without glasses' fanfiction could be that Voldemort or his followers have managed to frame Harry for a serious crime. In prison, without his glasses, Harry is constantly disoriented. He has to learn to adapt quickly. There could be a new character, perhaps a sympathetic prison guard or a fellow inmate who helps him get by. Harry could also discover some hidden magic within the prison walls that he can only access because he is in this vulnerable state without his glasses. This new magic could be the key to his escape and also to defeating Voldemort's plans in the long run.
Well, it might be about Harry losing his glasses on an unknown island. Maybe he has to search for them while facing magical creatures and challenges specific to that island. It could also involve his friends helping him out, and in the process, they discover some long - lost secrets of the island.
The plot could be that Voldemort has cursed Harry's glasses to be blindfolded as a way to weaken him. Harry then has to find a way to break the curse. He goes on a journey through the Forbidden Forest, relying on his friends' guidance and his own inner strength. Along the way, he meets magical creatures that offer him clues on how to reverse the curse.
Well, perhaps in this fanfiction, Harry could be imprisoned by some dark wizards. Without his glasses, he'd be at a great disadvantage, relying more on his other senses and magical instincts. Maybe he uses his Parseltongue ability to communicate with a snake in the cell to help him escape.
In a 'Harry Potter without glasses brawl' fanfiction, it could start during a Quidditch match. Without his glasses, Harry can't see clearly. He thinks an opposing team's player is trying to cheat in a really aggressive way and he jumps into a fight mid - air. This could lead to a huge brawl between the two teams. And the Ministry of Magic might get involved later to sort out the mess.
If you're having trouble finding this specific fanfiction, try reaching out to other Harry Potter fans. You can use social media platforms like Twitter or Tumblr and post something like 'Looking for a Harry Potter fanfiction where someone can't find their glasses. Any suggestions?'. Chances are, there are other fans out there who have read a story like this and can point you in the right direction.